2018考研同学应英语掌握5500左右的词汇以及相关词组。下面新东方在线为2018考研同学整理了一些词汇，除掌握词汇的基本含义外，考生还应掌握词汇之间的词义关系以及词汇之间的搭配关系，掌握词汇生成的基本知识。
1. enhance
vt. 加强;提高，增加;
[例句]They'll be keen to enhance their reputation abroad.
他们会非常渴望提高他们在国外的声誉。
2. enlighten
vt. 启发，启蒙;开导，教导;〈古〉照耀;
[例句]A few dedicated doctors have fought for years to enlighten the profession.
一些有献身精神的医生多年来一直努力指导业内同仁。
3. enroll
v. 招收;注册;登记;加入;
[例句]You can come and enroll your children in the school.
你可以送你的孩子来学校登记。
4. ensure
vt. 确保;担保获得[避免];使(某人)获得;使安全;
[例句]Britain's negotiators had ensured that the treaty which resulted was a significant change in direction.
英国谈判代表已经担保由此而签订的条约将是方向上的重大改变。
5. entertain
vt. 考虑;热情款待;使有兴趣;抱着，怀有;
vi. 热情款待;
[例句]They were entertained by top singers, dancers and celebrities.
顶级歌手、舞蹈演员和名人们给他们带来娱乐。
6. entitle
vt. 使有资格;给…定名;给与…权利;称做;
[例句]If the warranty is limited, the terms may entitle you to a replacement or refund.
如果保修有限制，根据条款你也许可以要求退换或者退款。
7. equivalent
adj. 相等的，相当的，等效的;等价的，等积的;[化学]当量的;
n. 对等物;[化学]当量;
[例句]The equivalent of two tablespoons of polyunsaturated oils is ample each day.
每天相当于两大汤匙多重不饱和油的量就足够了。
8. erase
vt. 抹去;清除;擦掉;
[例句]They are desperate to erase the memory of that last defeat in Cardiff.
他们急于抹去上次在卡迪夫遭遇失败的记忆。
9. erect
vt. 使直立，使竖起;建立，创立;安装;[医]使勃起;
adj. 直立的，垂直的;(头、手等)朝上举的;直竖的;[医]勃起的;
[例句]Opposition demonstrators have erected barricades in roads leading to the parliament building.
反对派示威者已经在通往国会大厦的道路上设置了路障。
10. erupt
v. 爆发;喷发;突然发生;出疹;
[例句]Heavy fighting erupted there today after a two-day ceasefire.
在停火两天后，今天那里爆发了激烈的战斗。