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【记】词根记忆：im（使） + per（尝试） + il→冒险尝试→使陷于危险
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【例】A glitch could imperil the $100 billion orbiting laboratory if it is not corrected.
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solace［ˈsɔləs］n. 安慰，慰藉 vt. 安慰某人
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【记】词根记忆：sol（安慰） + ace→安慰，慰藉
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【例】①At the end of this day, what Carter wanted more than anything else was the solace of her letters.
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②The woman whose son died was distracted with grief and refused to be solaced.
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trundle［ˈtrʌndl］v. （使某物沉重地）滚动或移动
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【例】The gardener trundled a wheelbarrow labouredly along the road.
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extrapolate［ekˈstræpəleit］v. 推断，推知，推测
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【记】词根记忆：extra（以外） + pol（放） + ate→放出想法→推测
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【例】It is impossible to extrapolate future developments of economy from current trends.
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insuperable［inˈsjuːpərəbl; inˈsuːpərəbl］adj. 难以克服的，无法解决的，难以超越的
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【记】联想记忆：in（不） + super（超越） + able→难以超越的
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【例】Our difference of age must be an insuperable objection.
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electrocute［iˈlektrəkjuːt］vt. 电死，以电刑处死
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【记】词根记忆：electro（电的） + cut（杀死） + e→以电刑处死
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【例】The inhumane king decided to hang, electrocute, or lynch anyone who will risk against him.
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interminable［inˈtəːminəbl］adj. 冗长乏味的，无休止的，没完没了的
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【记】词根记忆：in（不） + termin（结束） + able→不会结束的→无休止的
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【例】I hate the interminable waiting.
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rely［riˈlai］vi. 信任，信赖；依赖，依靠
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【例】①Fretful parents are relying even more heavily on tutors and cram schools to help their children succeed. （2008）
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②rely on 依靠 We can’t just rely on natural ability and need study and practice.
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【派】reliability〔n. 可靠（性），可信（性）〕；reliance（n. 依靠；信任）