每1~2天为大家更新15个左右的GRE单词，每个单词都采用柯林斯高阶词典英英解释，而且所有的例句都是来自华盛顿邮报Washington Post/自然杂志Nature/西雅图时报Seattle Times/纽约时报NewYork Times/科学杂志Science Journal等一线期刊，并且每一个单词后面都配了相关生动的图片，希望大家可以喜欢。
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polarity n. 有两极, 磁性引力, 极性 两极分化, 极端性
[E2E] having two opposite tendencies or opposite electrical charges(电荷)
[e.g.] Polarity is inherent in a magnet.极性是磁铁的固有性质.<华盛顿邮报2018年11月16日>
[e.g.] political polarity.政治上的极端对立
比如化学上的分子极性和生物上的细胞极性都是polarity
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rake n. 耙子；耙状工具；浪荡的男人；花花公子 v. 耙；梳理；扫视；掠过
[E2E] noun：a long tool with long teeth for gathering or smoothing
[E2E] verb：to gather up, smooth over or move through
[e.g.] The leaves had been raked into a pile.
树叶已经用耙子拢成了一堆。
[e.g.] If there's one area Amazon is raking in my cash, it's e-books.
如果亚马逊在某一领域搜刮我的现金，它就是电子书。<纽约时报2019年2月20日>
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ludicrous adj. 荒谬的, 可笑的，滑稽的
[E2E] Ludicrous things are funny, absurd, ornonsensical.
If someone says something silly or far-fetched, you could say "That's ludicrous!"
如果有人愚蠢或牵强附会的说一些事情，你可以说“那太荒谬了！”
[e.g.] This statement is so factually false as to be ludicrous.
这种说法事实上是那么地错误的，以致于是荒谬的。<Salon Feb 22, 2019>
[add] so as to：为了；以便 so…as to：那么地…以致于…
spurious adj. 假的, 伪造的
[E2E] artificial and fake
[e.g.] Viewed from the outside, the court proceedings and blatantly spurious charges were farcical.
从外表上看，法院诉讼和公然虚假的指控是荒谬的。The Guardian Feb 18, 2019
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charter n. 特许(状),执照,宪章,契据 vt. 特许,发特许执照 adj. 特许的
[e.g.] The charter would also restructure government, adding a prime minister and setting term limits for the president.
该宪章还将重组政府，增加总理并为总统设定任期限制。<Washington Post Feb 25, 2019>
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impinge v. 冲击,撞击 vi. 侵犯
[E2E] Many people don't like it when youimpinge on their personal space.
[e.g.] At times, it impinges on the territory of领土 healthy mental function.
有时，它会影响健康的心理功能。<Nature Feb 10, 2019>
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regression n.复原,逆行,退步 [反弹]
[E2E] If you've been trying to break your sugar habit but one day eat several pieces of cake, that's regression.
Regression analysis 回归分析
[相似词]remission n. 缓解，减轻，弛张 recession n.不景气 concession n. 让步, 妥协,
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cascade n. 瀑布 v. 瀑布似地落下
[E2E] something suddenly falling / tumbling down in a rush 在匆忙轰然倒塌
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conjecture v./n. 推测,臆测
[E2E] It's a word to use when you are not sure of something and have to "guess or surmise."
[e.g.] But the conjecture was grounded in a highly technical area populated by the field's top talent.
但这个猜想是建立在一个由该领域的顶尖人才组成的高技术领域。New York Times Feb 18, 2019
be grounded in 由…组成的；populated by 由…(人)组成的
我们常说的mathematical conjecture 数学猜想，就是单词
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enervate adj. 无力的，衰弱的 vt. 削弱
[e.g.] Idleness enervates the will to succeed.
懒惰削弱了成功的决心。
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predisposition n.(基因)倾向
[E2E] A predisposition is a tendency to do something.
[e.g.]Chronic stress disrupts that system, and the result is a predisposition toward the anhedonia of depression and vulnerability to addiction.
慢性压力破坏了这种系统，其结果是对抑郁症的快感缺乏和容易上瘾的倾向。Scientific American Feb 25, 2019
这个单词常常和基因联系在一起，比如容易上瘾一件事情，一般都会和peer pressure同龄人压力，gender性别等有关系，但是近年来的科学研究表明也和Genetics基因有关系，因此也就是业界常说的geneticpredisposition基因倾向
