Can you measure the diameter of the sun?
(你能不能測量太陽的直徑?) D46
differentiate
(v.)區別，鑑別The graduate student is writing an article to differentiate types of races in Asia.
(這位研究生正在寫一篇文章來區分亞洲的民族。) It is really difficult to differentiate the varieties of gems.
(鑑別寶石的種類真的很困難。)
D47
diffuse
(adj.)散佈的，擴散的，冗長的(v.)傳播，散佈
Antibiotic therapy for diffuse cellulitis should be aggressive.
(抗生素治療對擴散性蜂窩組織炎應是強而有力的。) The professor’s lecture lacked focus; it was too diffuse.
(教授的演說缺乏重點，它太冗長了。)
The woman does nothing every day but diffuse rumors.
(這婦女每天沒有事做，只是散播謠言。)
D48
dilemma
(n.)左右為難，困境Two of my good friends are having parties on the same day; I am in a real dilemma about deciding which one to go to.
(我的兩個好朋友同一天舉辦宴會，我左右為難，很難決定要去哪一個。)
D49
dimension
(n.)尺寸，面積，大小，範圍，方面A three-dimension figure commonly includes length, width, and depth.
(一個 3D 立體圖形通常包括長度、寬度和深度。)
D50
diminish
(v.)削弱，減少，減小，降低I did nothing to diminish her achievement, but she did not achieve it by her own efforts.
(我沒有做任何事來削弱她的成就，但是她並沒有由她自己的努力來 實現目標。)
D51
diplomacy
diplomatic
(n.)外交，外交手腕
The dispute over importing American beef needs to be solved through diplomacy.
(進口美國牛肉的爭端需要通過外交手腕來解决。) (a.)外交的，外交人員的，有外交手腕的，圓滑的
He has lots of experiences in dealing with political affairs and diplomatic formalities.
(他在處理政治事物和外交禮儀方面有很多經驗。)
D52
directory
(n.)工商名錄，姓名住址簿，號碼簿，董事會If you want to know the information of a product, you may refer to this Business Directory.
(如果你要知道一種產品的資訊，你可以從這本工商名錄上查。)
D53
disastrous
(adj.)損失慘重的，大災難性的，悲慘的After the disastrous earthquake, a flood of food, water, and international medical teams flowed toward Haiti to reach the earthquake survivors.
(在損失慘重的地震以後，大量的食物、水和國際醫療團隊湧入海地，
以支援地震倖存者。)
The disastrous Haiti earthquake made millions of people lose their homes.
(大災難性的海地地震造成好幾百萬人失去他們的家園。)
D54
discharge
(v.)排出，允許...離開，釋放，免職，出院(n.)排出，釋放，出院，解職令 The chimney discharges smoke.
(這個煙囪排放煙氣。)
The accused man was found not guilty and was discharged.
(被指控的人被發現無罪而被釋放了。)
The doctor signed papers to approve the patient’s discharge from the hospital.
(該醫生簽下文件以批准病人從醫院出院。) D55
disclose
disclosure
(v.)露出，暴露，揭發，透露
As disclosed by unknown resources, the mayor had an affair with his secretary.
(據未知名的來源透露，市長與他的秘書有婚外情。) (n.)揭發，透露，公開
The disclosure that he had been in prison ruined his chances of running for the legislative council election.
(公開他曾坐牢一事斷送了他競選立法委員的機會。)
D56
discreet
(adj.)慎重的，顧慮周到的Bill is always discreet in speaking because he is afraid that some people may misinterpret what he says.
(比爾在講話時總是很謹慎，因為他害怕有些人也許會曲解他所說的話。)
D57
discrepancy
(n.)矛盾，不符，不一致There is a discrepancy between our budget and the amount of our expenditure.
(我們的預算和我們的開支總額不一致。)
D58
discretion
(n.)謹慎，考慮周到Susan shouldn’t have made this kind of mistake because she is a person of discretion.
(蘇珊不應該犯這種錯誤，因為她是ㄧ個謹慎的人。) D59
discrimination
(n.)歧視，辨別，區別I got fired at the age of 51. I believe that my boss had age discrimination because he decided to hire somebody who is younger to replace me.
(我在 51 歲時被開除了。我相信我的上司有年齡歧視，因為他決定雇 用比較年輕的人來取代我的位置。)
D60
disdainful
(adj.)傲慢的，輕蔑的Her disdainful behavior is not appreciated by the class. That is why she does not have any friends.
(她蔑視人的行為不受班上同學的讚許，這是她沒有任何朋友的理由。)
D61
dismantle
(v.)拆卸，拆開，解散，拆除The deck was dismantled and rebuilt on the other side of the house.
(這露天平台被拆除了，而在房子的另一邊重新建造。)
D62
dismay
(n./v.)驚慌，沮喪，氣餒The mother was dismayed at her son’s academic performance.
(母親對她兒子的學業成績很氣餒。)
To her dismay, Mary has taken TOEFL for three times, but she failed again.
(令瑪麗沮喪的是她考托福已考三次了，但是她又再次沒有通過。)
D63
disparate
(adj.)不同的，異類的，迴然不同的Disparate reports on the typhoon puzzled the people in the affected areas.
(對颱風消息的迴然不同的報導令受颱風影響地區的人非常困惑。)
D64
dispatch
(v.)派遣，發送，快遞We expect to begin shipping tomorrow. You will receive tracking information as soon as your box is dispatched.
(我們預計明天開始出貨。一寄貨後，你將立即收到貨物追蹤信息。)
D65
dispensable
(adj.)非必要的，可分配的，可寬恕的Due to the limited time, today we will touch on urgent and important issues only; the dispensable ones will be discussed in the next meeting.
(由於時間有限，今天我們只觸及迫切而重要的議題，而對於可有可 無的部分則留到下次會議來談論。)
D66
dispense
(v.)分發，施給，執行，免除We need volunteers to dispense water, food and clothes to the homeless.
(我們需要志工分發水、食物和衣服給街民。)
D67
disperse
(v.)驅散，解散，疏散，傳播，消散All the crowds gathered in front of the Presidential Hall, and the police started to disperse them after midnight.
(所有群眾聚集在總統府前面，在午夜以後，警察開始驅散他們。) There was heavy fog early in the morning, but after the sun rose, the fog started to disperse.
(清早有濃霧，但是在太陽上升後，霧散開了。) D68
disposition
(n.)性情，脾氣Richard has an optimistic disposition; he always thinks that things will be better in the future.
(理查具有樂觀的性格，他總是認為凡事在未來都會更好。)
D69
disregard
(v./n.)不理，不顧，呼視Your phone bill is due on Friday. If you have sent your payment already, just disregard this letter.
(你的電話費星期五到期，如果你已經寄出你的付款，請忽視這封信件。) His failure was due to continued disregard of his studies.
(他的不及格是由於一貫忽視學習。)
D70
disruption
(n.)干擾，中斷，分裂，崩潰，瓦解Yesterday’s power outrage caused serious disruption to our production line.
(昨天的停電對我們的生產線造成嚴重的中斷。) D71
disseminate
(v.)散播，宣傳All the health-related organizations are disseminating information about preventing infection of H1N1 flu.
(所有與健康有關的機構正在宣傳預防 H1N1 流感感染的資訊。) D72
dissertation
(n.)博士論文To earn a doctoral degree, you will need to submit a dissertation and meet all the requirements.
(要得到博士學位，你需要遞交一份學術論文和符合所有要求。)
D73
dissident
(adj.)意見不同的，不贊成的，持不同政見的(n.)意見不同的人，不贊成者
China does not tolerate different opinions, especially political views.
Thus, many political dissidents were arrested and put in jail.
(中國不能容忍不同的意見，尤其是政治觀點。因此，許多政治意見 不同的人被拘捕，並關在監獄裡。)
D74
dissolve
(v.)分解，使溶解，使融化，使液化The textbook tells us that paraffin has the property of dissolving grease and camphor dissolves in alcohol instead of water.
(教科書告訴我們石蠟具有溶解油脂的特性，樟腦溶於酒精而不溶於水。)
D75
distinctive
(adj.)有特色的，特殊的The writer’s distinctive writing style established his reputation in the literary field.
(這位作家的特別寫作風格在文藝界建立了他的聲望。)
D76
distort
(v.)扭曲，曲解A good journalist should report facts only rather than distort the facts.
(一位好新聞工作者應該只報告事實，而不是扭曲事實。) D77
distract
distraction
(v.)分心，分散
Tim’s parents are getting divorced. That explains the reason why he often feels bad and is distracted in class.
(狄姆的父母要離婚，這說明了為什麼他經常心情不好而上課無法專心。) (n.)分心，注意力分散，娛樂
I find it difficult for me to resist distractions when I study.
(我發現當我讀書時，我很難抗拒不分心。)
D78
diverse
Today’s businesses are increasingly complex and diverse.
(今日的企業日趨複雜和多樣化。) (v.)轉向，轉移
The money designated to a specific purpose has diverted the interest of the public regarding how the money was raised.
(該筆被指定作為特殊目的的金錢已轉移了大眾對這些錢是如何募來 的注意力。)
(n.)轉向，轉移，轉換
High tariffs often lead to a diversion of trade from one country to another.
(高額關稅常使貿易由一國轉向另一國。) (n.)差異，不同點
The religious life in both the United States and the United Kingdom shows a diversity of practice.
(在美國和英國，宗教生活皆有多樣的實施方式。) (v.)使多樣化
The director of the community would take more actions to diversify the activities and to encourage more people to get involved.
(這社區的主任會採取更多措施，使活動多樣化，並鼓勵更多人參與。)
D79
dividend
(n.)紅利，股息，附贈品The company paid higher dividends to the stockholders due to the earnings of the company in 2008.
(這家公司由於 2008 年賺了錢，付給股票持股人比較高的紅利。)
D80
doctrine
(n.)(宗教的)教義，教旨，主義，信條，政策Most people are more interested in news than they are in political doctrines or abstract ideas.
(跟政治教義或抽象概念比較起來，大部分人對新聞更感興趣。) D81
donate
donation
donor
(v.)捐獻，捐贈
The veteran donated all his organs to the people who need them after he died.
(這位退伍軍人在他死了之後，把他所有的器官捐贈給需要它們的人。) (n.)捐獻，捐贈
Slum area communities are in great need of donations and financial assistance.
(貧民區非常需要捐款和財務上的資助。) (n.)贈送人，捐贈者
Doctors have begun the search for a bone marrow donor, but there isn’t any good news yet.
(醫生們已經開始尋找骨髓捐贈者，但還沒有任何好消息。)
D82
doodle
(v.)塗鴉，亂畫，閒蕩Ted didn’t understand what the teacher was talking about, so he began doodling at the edge of the book.
(泰德不了解老師在說什麼，因此他開始在書本的邊緣塗鴉。)
D83
doom
(n.)厄運，毀滅，大禍 (v.)注定，命定He looked scared and frightened as if this doom was caused by him.
(他看起來很是心驚膽顫，好像這次大禍是他一手造成的。) Those people who engage in intrigues are doomed to failure (那些愛搞陰謀詭計的人注定要失敗。)
D84
dosage
(n.)(藥的)劑量Keep in mind that excessive dosage of this drug can result in injury to the liver.
(請記得這種藥使用過量會導致肝臟的損害。)
D85
download
(v.)下載If you want to use VoIP (Voice over Internet Protocol), you have to download the software from the Internet.
(如果你想要使用網路電話，你必須從網路上下載軟體。)
D86
down payment
分期付款的頭款Some car dealers offer car loans for college students without requiring down payments.
(有些車商提供汽車貸款給大學生，不要求頭期款。)
D87
downsize
(v.)裁減(員工)人數To reduce the loss, our company is downsizing and will concentrate on service only.
(要減少損失，我們的公司正在裁減人員，並且將只專注在服務方面。)
D88
drawback
(n.)缺點，障礙，撤回，撤銷，退款，退稅The drawback of this policy has profound impact in the future and needs to be revised.
(這項政策的缺點對將來影響深遠，需要加以修正。)
D89
drastic
(a.)激烈的，猛烈的，嚴厲的，極端的The financial environment in our country has undergone a drastic change during the past five years.
(我們國家的財政狀況在過去五年發生了激烈的變化。)
The teacher thinks drastic measures have to be taken to restore class order.
(老師認為要恢復教室秩序必須採取嚴厲的措施。)
D90
dreary
(adj.)沈悶的，陰鬱的，令人沮喪的，枯燥的The housewife feels that she lives a dreary life because all what she does every day is cooking and cleaning the house.
(這位家庭主婦認為她過著沈悶的生活，因為她每天所做的事是烹調和清 掃房子。)
D91
drizzle
(v.)下毛毛雨 (n.)毛毛雨It has been drizzling all day long recently.
(最近整天一直下毛毛雨。)
I found a walk in the drizzle very romantic.
(我覺得在毛毛雨中漫步非常浪漫。)
D92
drought
(n.)乾旱，旱災After the long drought, the crops failed, and the leaves languished.
(長期乾旱後作物歉收，樹葉都枯萎了。)
D93
dual
(a.)雙的，雙倍的，雙重的The People’s Republic of China does not recognize dual citizenship of Chinese citizens.
(中華人民共和國不承認具有雙重國籍的中國公民。)
D94
dubious
(adj.)半信半疑的，猶豫不決的，含糊的Our boss holds a dubious attitude toward the amount of this year’s bonus.
(我們的老闆對於今年分紅的多寡抱持著含糊的態度。)
D95
duplicate
(v.)複製，拷貝，複印(adj.)完全一樣的，複製的，副本的 (n.)複製品，副本
Please duplicate the number of copies we need for the meeting.
(請影印我們會議所需要的份數。)
The burglar opened the door of the mansion with a duplicate key.
(竊賊用一把複製的鑰匙打開了豪宅的門。) This 1000 dollar bill is a duplicate, not a real one.
(這張一千元的鈔票是假鈔，不是真的。)
D96
dwindle
(v.)逐漸減少It is reported that the number of pandas in the world has dwindled due to loss of habitat.
(據報導，世界上熊貓的數量由於喪失棲息地而減少了。)
D97
dynamite
(n./v.)炸藥，用炸藥爆破，炸毀The workers exploded the mountain with dynamite in order to build the tunnel.
(工人用炸藥炸山，以建造隧道。)
The military force of the country dynamited a bridge and intended to invade its neighboring country.
(該國的軍隊炸毀了一座橋樑，並打算入侵鄰國。)
E01
ebb
(n./v.)退潮，衰退The flood and ebb tides alternate with each other.
(漲潮和退潮相互交替。)
The scandal brought his credibility to its lowest ebb.
(那件醜聞使他的信譽跌到最低點。)
The tide ebbed away, leaving behind seaweed and debris.
(退潮了，留下的都是海草和瓦礫。) He could feel his strength ebbing away.
(他能感覺到自己逐漸體力不支。)
E02
eccentric
(adj.)怪異的，古怪的In the Halloween party, everybody dressed in eccentric costumes.
(在萬聖節宴會，大家都穿奇裝異服。)
E03
ecology
(n.)生態學，生態，環境Ecology is a branch of science that studies the relation between humans and the environment.
(生態學是研究人類與其環境間關係的科學分支。)
The oil spill caused terrible damage to the fragile ecology of the coast.
(石油外洩給脆弱的海岸生態環境帶來嚴重的破壞。)
E04
economize
(v.)節約，節省，節儉Remember to turn off the lights when you leave the room to economize the expenditure on energy.
(當你離開房間時，記住要關燈，以節約能源的開支。)
E05
ecstasy
(n.)狂喜，出神，入迷My father was in ecstasy when I was admitted to the foremost university.
(當我被錄取進入一流的大學時，我的父親欣喜若狂。)
E06
editorial
(n.)社論(adj.)社論的
Mr. Wang has been writing editorials for a local newspaper since he graduated from the university.
(自從他大學畢業後，王先生就一直為地方報紙寫社論。)
I will find an editorial writing teacher to help me write convincing articles.
(我將找一位社論寫作老師來幫助我寫令人信服的文章。)
E07
electron
(n.)電子The magnetic field of an atom is usually dominated by the electrons.
(原子的磁場通常由電子決定。)
E08
elegance
(n.)優雅，文雅In the skate contest, all the participants displayed the elegance of posture.
(在溜冰比賽時，所有參賽者表現出優雅的姿勢。)
E09
eligible
(adj.)合格的，合適的Students with GPA of 3.5 and above are eligible for the scholarship.
(平均成績在 3.5 以上的學生有資格獲得獎學金。)
E10
elite
(n.)精英，精華，優秀分子Only the educational elite goes to Oxford or Cambridge.
(只有教育上的精英才能上牛津或劍橋大學。)
The power elite inside the government is controlling foreign policy.
(政府内部的一群握有實權的精英控制著外交政策。) E11
eloquence
eloquent
(n.)雄辯，流利的口才，說服力
She was renowned for her eloquence and beauty.
(她以口才和美麗聞名。) (adj.)雄辯的，有說服力的
The eloquent politician’s speech attracted hundreds of audience.
(這位具有說服力的政治家之演說吸引了上百位聽眾。)
They embarked on a campaign to get people to vote.
(他們展開一場動員人們去投票的活動。) (n.)乘船，搭載，開始，從事
After you have visited a foreign country, you will need to fill out an embarkation card for immigration clearance.
(當你到國外參觀後，你需要填好移民局出關許可的出境卡。) E13
emigrate
emigrant
emigration
(v.)移居外國
Joe plans to look for a temporary job before he emigrates to the United States.
Many emigrants leave their own countries for a better life.
(許多移民離開祖國是為了尋求更好的生活。) (n.)移民，移出
The emigration of one country to another has become very common now.
(從一個國家移民到另一個國家現在變得非常平常了。)
E14
emoji
(n.)表情符號The modern people are used to expressing themselves through emojis rather than words.
(現代人習慣用許多表情符號來取代文字。)
E15
empower
(v.)授權，允許The manager empowered his secretary to negotiate with their clients.
(經理授權他的秘書與他們的客戶談判。)
E16
enact
enactment
(v.)制定(法律)，頒布(法案)，扮演(角色)
Several bills were enacted at the end of this session of Parliament.
(幾項法案在這屆國會的會議結束時被頒布。) They enacted the roles of hero and heroine in the play.
(他們在這劇中擔任男女主角的角色。) (n.)法令，(法律的)制定
The economic interest of the social whole is the basis of enactment of economic laws.
(社會整體的經濟利益是制定經濟法律的基礎。) E17
encyclopedia
(n.)百科全書Whenever John has to write a report, he will look over the encyclopedia.
(每當約翰必須寫報告時，就會查閱百科全書。)
E18
endurance
(n.)持久力，耐久力，忍耐The athletes need to train endurance to increase energy.
(運動員需要訓練耐力，以增加活力。)
E19
enhance
(v.)增加，提高You may enhance your English ability by reading English newspapers and watching English teaching programs on TV.
(你可以以閱讀英文報紙和看電視的英語教學節目來提高你的英語能力。)
E20
enlighten
(v.)啟迪，教導，指導This list of outside readings is helpful to students; they can be enlightened to read for information and to think independently.
(這一份課外閱讀的書單對學生是有幫助，他們可以啟發學生從閱讀 獲得資訊和獨立思考力。)
E21
enlist
(v.)入伍，徵募Jeffrey was born in 1930 and had enlisted in the Army in 1952.
(傑弗瑞在 1930 年出生，在 1952 年徵召入伍。) E22
entrepreneur
(n.)企業家The entrepreneur started his career as an apprentice in the factory, and he succeeded through hard work and perseverance.
(這位成功的企業家是從在工廠當學徒開始他的職涯，他憑藉著努力 工作和堅忍不拔終於成功了。)
E23
enunciate
(v.)發表，宣布，清晰地發音The president of the university enunciated his address to the graduates during the commencement.
(在畢業典禮時，該大學的校長清晰地發表他對畢業生的致詞。)
E24
epidemic
(n.adj.)盛行的，流行性的，傳染性的The epidemic diseases are of great concern to us because they are contagious and may lead to mortality.
(我們非常關心流行病，因為他們是會傳染性的，並且也可能導致死亡。)
E25
episode
(n.)插曲，影集中的一齣It’s very time-consuming to watch soap dramas. Some of them contain over 300 episodes.
(看肥皂劇是非常費時的。有些包含超過 300 集。)
E26
equation
(n.)數學方程式，相等，均衡I cannot make this equation come out.
(我不會解這個方程式。)
There is a tendency in movies to make the equation between violence and excitement.
(電影中有一種趨勢，傾向於在暴力與刺激之間取得平衡。) E27
equivalent
(adj.)等於的Eight kilometers is roughly equivalent to five miles.
(八公里大約等於五英哩) E28
eradication
(n.)根絕，剷除The young man’s primary goal is the eradication of poverty to change his social status.
(這年輕人的主要目標是要剷除貧窮，以改變他的社會地位。)
E29
erode
(v.)腐蝕，侵蝕The rock has been eroded under the sun, water, and wind.
(岩石受太陽、水和風之影響而腐蝕了。)
E30
eruption
(n.)爆發On a volcano expedition to Congo, tourists were able to see small eruptions frequently.
(在一次到剛果的火山遠征探險中，遊客可以經常看見小的火山爆發。) E31
escalate
escalator
(v.)逐步上升(增強或擴大)
A conventional skirmish would escalate into a nuclear exchange.
(傳統的小規模衝突有可能擴大為核戰爭。) (n.)電扶梯
This escalator is out of use; you’ll have to take the stairs.
(電扶梯已停用，你必須走樓梯。)
E32
escort
(n.)護送者，護衛隊，護駕者(v.)護送，護航，護衛
If you need to go home late or if you cannot drive home by yourself, you may find an escort by calling escort services.
(如果你需要晚回家或如果你不能自己開車回家，你可以打電話到護 駕服務專線找一名護駕者。)
My boyfriend escort me home almost every day.
(我男朋友幾乎每天護送我回家。)
E33
espionage
(n.)諜報，間諜活動Allen was charged for engaging in business espionage by improperly gathering information about the company’s new products and selling it to a competing company.
(亞倫被告參與商業間諜活動，以不當手法收集公司新產品的資料，
然後把它賣給一家競爭的公司。)
E34
essence
(n.)本質，精華The essence of his argument was that education should continue throughout life.
(他的論點要旨是教育應該終生持續。)
The essence of consultation is to listen to and take account of the views of those consulted.
(諮詢的精髓是聆聽並考量被諮詢者的想法。)
E35
eternity
(n.)永遠，永恆，永久The ringing went on for what seemed an eternity, and then someone answered.
(鈴聲一直繼續響個不停，似乎是永恆，然後有人接聽了。)
E36
ethical
(adj.)倫理的，道德的Transplantation of organs from living donors raises ethical issues.
(從活體捐獻者移植器官會引發倫理問題。)
E37
ethnic
(adj.)種族的，人種學的Conflicts between the different ethnic groups in the country exploded into civil war.
(該國不同族群之間的衝突引發了內戰。)
E38
evacuate
(v.)抽空，撤離，撤退，疏散Due to the mudslide, all the residents in this area must be evacuated to the safe place.
(由於土石流，所有在這個區域的居民必須疏散到安全的地方。)
E39
evaluate
(v.)評價，估計The engineer went to investigate and evaluate the possibility of building a dam at this section of the river.
(這位工程師去調查和評估在河流的這一區建造一座水壩的可能性。) E40
evolve
evolution
(v.)使逐步形成，發展，推斷出
How did you evolve this very personal and original style?
(你是怎樣逐步形成這種很有個性且具獨創性的風格的?) We had to evolve the truth from a mass of confused evidence.
(我們不得不從大量龐雜的證據中推斷出事情的真相。) (n.)發展，演變，進化
She has to collect data to write a paper on “the Evolution of Human Beings”.
(她需要收集資料寫一篇關於「人類的演變」的報告。)
E41
excerpt
(n.)摘錄，選粹，引述This thesis is too long. It would be convenient if you have an excerpt of your work.
(這份論文太長了，如果你有你的作品的摘要就方便多了。)
E42
exclusively
(adv.)專門地，唯一地，獨佔地The Elegant Dancing Club is one of the few places in our community that exclusively teach tap dance.
(典雅舞蹈俱樂部是我們的社區的少數地方之一專門教踢踏舞的。)
E43
excursion
(n.)遠足，遊覽All the students are very excited about the excursion.
(所有學生對於這次遠足都非常興奮。)
E44
exempt
(v.)豁免，免除Diplomats are exempted from paying visa fees.
(外交人員豁免付簽證費。)
E45
exert
(v.)用力，盡力，運用，發揮E45