考研英语的备考，离不开词汇和语法的补习。下面，北京文都考研网小编为帮助2021考研学子掌握英语核心词汇，精心为考生整理——2021考研英语必考词汇(50)，供考生参考。
inertia [ɪ'nɜːʃə]
例 I am unable to throw off this feeling of inertia.我无法摆脱这种懒散的感觉。//Inertia is the tendency of a body to resist acceleration.惯性是物体抗拒加速度的倾向。
innocent ['ɪnəsnt]
例 The lawyer based his argument on the premise that people are innocent until they are proved to be guilty.律师的论点所依据的前提是，人们在没有被证明有罪之前都是无罪的。//It was just an innocent joke;I did not mean to insult you.这只是个毫无恶意的玩笑而已，我无意冒犯你。
真题链接
While seemingly innocent，this loss of mental focus can potentially have a damaging impact on our professional，social，and personal wellbeing.(2014)虽然看起来无关大碍，但注意力无法集中可能会对我们的职业、社交和个人生活带来破坏性的影响。
insure [ɪn'ʃʊə(r)]
例 Susan insured her car against losses caused by accident and theft.苏珊给自己的车上了保险，以免遭受因意外事故或被盗造成的损失。//The educators should insure that each student truly gains from their education.教育者们必须保证每一个学生都真正学有所获。
真题链接
The principle of British welfare is no longer that you can insure yourself against the risk of unemployment and receive unconditional payments if the disaster happens.(2014)英国福利原则不再是你能够为失业投保，并在灾难发生时得到无条件的支付。
以上是北京文都考研网分享的“2021考研英语必考词汇(50)”，希望对2021考研儿们，在识记重点词汇方面有所指导!祝2021考研金榜题名!
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