plunge 英 [plʌndʒ] 美 [plʌndʒ] v. 使突然地下落；猛插；骤降；陡峭地向下倾斜；颠簸；跳进；（使）陷入；栽种 n. 突然跌落；（价格、数量等）骤降；投入；跳进；跳水，快速游泳
考点1: vi.突然下降: to descend or dip suddenly
■e.g. stock's value plunged股票价值骤然下降
■同: crash, decline, descend, dip, dive, fall, plummet, plunge, sink, tumble
■反: skyrocket, soar 飙升
考点2: vt.插入，剌入: to cause to penetrate or enter quickly and forcibly into something
■e.g. plunged the dagger into his chest 把匕首剌入他的胸膛
■同: drive, stab, stick, thrust
■反: extract 拔出
debase 英 [dɪˈbeɪs] 美 [dɪˈbeɪs] vt. 降低；使…贬值；掺杂
考点1: v.贬低，贬损: to reduce to a lower standing in one's own eyes or in others' eyes
■e.g. our failure to win a single game completely debased 我们一场未胜的战绩彻底让我们的形象一落千丈
■同: abase, debauch, degrade, demean, demoralize, deprave, deteriorate, profane, subvert, vitiate
intermittent 英 [ˌɪntəˈmɪtənt] 美 [ˌɪntərˈmɪtənt] adj. 间歇的；断断续续的；间歇性
考点1: adj.间歇的，断断续续的: coming and going at intervals, not continuous
■e.g. intermittent rain in June六月里断断续续的梅雨
conflate 英 [kənˈfleɪt] 美 [kənˈfleɪt] vt. 合并；异文合并
考点1: vt.混合: to turn into a single mass or entity that is more or less the same throughout
■e.g. The movie conflates documentary footage and dramatized reenactments so seamlessly and ingeniously that viewers may not know what is real and what is not. 电影将纪实档案和娱乐性的夸张如此巧妙无缝地糅合起来，以至于观众不知道哪一部分是真实的，哪一部分是虚构的。
■同: amalgamate, combine, composite, fuse, homogenize, immingle, incorporate, integrate, interfuse, meld, merge, mingle, mix
■反: disunite, divide, part, separate, sunder 分离
■派: conflation n.合并
skeptic 英 [ˈskeptɪk] 美 [ˈskeptɪk] n. （对一切都）持怀疑态度的人；怀疑论者，不可知论者；无神论者（等于 sceptic）
考点1: n.怀疑者: one who instinctively or habitually doubts, questions, or disagrees with assertions or generally accepted conclusions
■e.g. You can either be a skeptic or not, but I believe it anyway.至于你信不信，我反正信了。
■同: disbeliever, doubter, questioner, unbeliever
■反: dupe, gull, pigeon容易上当受骗的人
■派: skeptical adj.持怀疑态度的；skepticism n.怀疑论
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