2018考研同學(xué)應(yīng)英語掌握5500左右的詞匯以及相關(guān)詞組。下面為2018考研同學(xué)整理了《2018考研英語：必背英語詞匯【十八】》，除掌握詞匯的基本含義外，考生還應(yīng)掌握詞匯之間的詞義關(guān)系以及詞匯之間的搭配關(guān)系，掌握詞匯生成的基本知識。在這里恭祝各位考生能夠順利、取得優(yōu)異成績！
1. degenerate
adj. 退化的;墮落的;變質(zhì)的;變性的;
vt. 使退化;惡化;使變質(zhì);衰減;
vi. 退化;墮落;
[例句]Inactivity can make your joints stiff, and the bones may begin to degenerate.
長期不活動會導(dǎo)致關(guān)節(jié)僵硬，骨骼也可能開始退化。
2. deduce
vt. 演繹;推論，推斷;追溯根源;
[例句]Alison had cleverly deduced that I was the author of the letter.
艾莉森已經(jīng)聰明地推斷出那封信就是我寫的。
3. define
vt. 規(guī)定;使明確;精確地解釋;畫出…的線條;
vi. (給詞、短語等)下定義，構(gòu)成釋義;
[例句]We were unable to define what exactly was wrong with him.
我們說不清楚他到底哪里不對勁。
4. deliver
vt. 交付;發(fā)表;遞送;使分娩;
vi. 傳送;投遞;
[例句]The Canadians plan to deliver more food to southern Somalia.
加拿大計劃向索馬里南部地區(qū)運送更多的食品。
5. demonstrate
vt. 論證;證明，證實;顯示，展示;演示，說明;
vi. **;
[例句]The study also demonstrated a direct link between obesity and mortality.
該研究還表明了肥胖癥和死亡率之間存在直接的聯(lián)系。
6. deviate
v. 脫離，越軌，違背，誤入歧途;使脫離常軌;
[例句]They stopped you as soon as you deviated from the script.
一旦你偏離了劇本的內(nèi)容，他們就會喊停。
7. devote
vt. 奉獻;把…奉獻(給)，把…專用(于);
[例句]He decided to devote the rest of his life to scientific investigation.
他決定將自己的余生獻給科學(xué)研究事業(yè)。
8. diagnose
vt. 診斷;判斷;
vi. 做出診斷;
[例句]The soldiers were diagnosed as having flu.
這些士兵經(jīng)診斷患了流感。
9. dictate
vt. 口述;命令，指示;使聽寫;控制，支配;
vi. 口述;命令;
n. 命令;指示;指導(dǎo)原則;
[例句]Sheldon writes every day of the week, dictating his novels in the morning.
謝爾登一周7天都要寫作，每天早上口述小說讓別人記錄。
10. differentiate
v. 區(qū)分，區(qū)別，辨別;
vt. 表明…間的差別，構(gòu)成…間差別的特征;[數(shù)學(xué)]求…的微分：計算導(dǎo)數(shù)或(函數(shù)的)微分;
[例句]At this age your baby cannot differentiate one person from another.
這個年齡的嬰兒還不能認人。
1. degenerate
adj. 退化的;墮落的;變質(zhì)的;變性的;
vt. 使退化;惡化;使變質(zhì);衰減;
vi. 退化;墮落;
[例句]Inactivity can make your joints stiff, and the bones may begin to degenerate.
長期不活動會導(dǎo)致關(guān)節(jié)僵硬，骨骼也可能開始退化。
2. deduce
vt. 演繹;推論，推斷;追溯根源;
[例句]Alison had cleverly deduced that I was the author of the letter.
艾莉森已經(jīng)聰明地推斷出那封信就是我寫的。
3. define
vt. 規(guī)定;使明確;精確地解釋;畫出…的線條;
vi. (給詞、短語等)下定義，構(gòu)成釋義;
[例句]We were unable to define what exactly was wrong with him.
我們說不清楚他到底哪里不對勁。
4. deliver
vt. 交付;發(fā)表;遞送;使分娩;
vi. 傳送;投遞;
[例句]The Canadians plan to deliver more food to southern Somalia.
加拿大計劃向索馬里南部地區(qū)運送更多的食品。
5. demonstrate
vt. 論證;證明，證實;顯示，展示;演示，說明;
vi. **;
[例句]The study also demonstrated a direct link between obesity and mortality.
該研究還表明了肥胖癥和死亡率之間存在直接的聯(lián)系。
6. deviate
v. 脫離，越軌，違背，誤入歧途;使脫離常軌;
[例句]They stopped you as soon as you deviated from the script.
一旦你偏離了劇本的內(nèi)容，他們就會喊停。
7. devote
vt. 奉獻;把…奉獻(給)，把…專用(于);
[例句]He decided to devote the rest of his life to scientific investigation.
他決定將自己的余生獻給科學(xué)研究事業(yè)。
8. diagnose
vt. 診斷;判斷;
vi. 做出診斷;
[例句]The soldiers were diagnosed as having flu.
這些士兵經(jīng)診斷患了流感。
9. dictate
vt. 口述;命令，指示;使聽寫;控制，支配;
vi. 口述;命令;
n. 命令;指示;指導(dǎo)原則;
[例句]Sheldon writes every day of the week, dictating his novels in the morning.
謝爾登一周7天都要寫作，每天早上口述小說讓別人記錄。
10. differentiate
v. 區(qū)分，區(qū)別，辨別;
vt. 表明…間的差別，構(gòu)成…間差別的特征;[數(shù)學(xué)]求…的微分：計算導(dǎo)數(shù)或(函數(shù)的)微分;
[例句]At this age your baby cannot differentiate one person from another.
這個年齡的嬰兒還不能認人。