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convulse［kənˈvʌls］vt. 使震动，使震撼；使抽筋
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【记】词根记忆：con（表加强） + vulse（采，拉）→使抽筋
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【例】A wave of nationalist demonstrations convulsed the country in 1919.
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entreat［inˈtriːt］vt. 恳求，哀求，请求
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【记】联想记忆：en + treat（处理）→请求给予处理→恳求
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【例】I entreated my father to quiet his mind and listened to my explanation.
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eavesdrop［ˈiːvzdrɔp］vi. 偷听（私人谈话）
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【记】组合词：eaves（屋檐） + drop（滴水）→在屋檐下听滴水→偷听
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【例】The detectives have right to eavesdrop on telephone calls in the course of their investigations into serious crimes.
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【派】eavesdropper（n. 偷听者）
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swivel［ˈswivəl］v. （使）旋转，（使）转动 n. 转环，旋轴
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【例】When there was nowhere to go in that space for us, we swiveled in the other direction.
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extraneous［ekˈstreinjəs］adj. 非直接关联的，与正题无关的；外来的
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【例】The biologists consider the substance is extraneous after studying it.
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inescapable［ˌiniˈskeipəbl］adj. 无法逃避的，不可避免的
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【记】联想记忆：in（不） + escap(e)（逃避，避免） + able（可…的）→无法逃避的
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【例】All projections, of course, must be viewed with a healthy dose of skepticism. Nonetheless, the urge to make sense of what lies ahead is inescapable. （2001）
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versatility［ˌvəːsəˈtiliti］n. 多才多艺；多功能
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【记】词根记忆：vers（转） + atility→什么都玩得转→多才多艺
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【例】Jiang Qian and Guo Bingwen proposed a school running principle that advocated the balance between versatility and specialization, liberal arts and sciences. （2004）
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defoliate［ˌdiːˈfəulieit］vt. 毁掉（树木、花草的）叶，使落叶
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【记】词根记忆：de + foli（叶） + ate→使落叶
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【例】The worst year was 1990, when twelve million acres of forests were defoliated.
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