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【例】Harry was an excellent valet, but a trifle domineering.
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decipher［diˈsaifə］vt. 破译（密码）；解开（疑团）
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【记】联想记忆：de（去掉） + cipher（密码）→解开密码→破译
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【例】The discovery means that scientists have deciphered the weight- control system in the body.
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contingent［kənˈtindʒənt］adj. 须根据某些未知条件而定的；偶然发生的，意外的 n. （军队、船只等的）分遣队，小分队；（集会中的某一）代表团
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【记】词根记忆：con + ting（接触） + ent→与对方接触→代表团
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【例】Whether or not we set out on time is contingent on the weather.
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【用】词组contingent on / upon表示“视…情况或条件而定的”。
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【派】contingency（n. 偶发事件，意料不到的事情）
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impregnable［imˈpregnəbl］adj. 牢不可破的，难以攻陷的
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【记】词根记忆：im（不） + pregn（拿住） + able→拿不住的→难以攻陷的
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【例】The old castle was an impregnable stronghold.
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morbid［ˈmɔːbid］adj. 病态的，不正常的；疾病的；病理的
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【记】词根记忆：morb（病） + id→病态的
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【例】I’ve read some morbid crime stories on the magazine.
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hypercritical［ˌhaipəˈkritikəl］adj. 批评苛刻的，吹毛求疵的
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【记】词根记忆：hyper（过度） + critical（挑剔的）→吹毛求疵的
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【例】You may simply have to monitor the situation and intervene when the older sibling is being hypercritical.
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discrete［disˈkriːt］adj. 个别的，分离的，不连续的
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【记】词根记忆：dis（分离） + cre（生产） + te→分离的
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【例】The situation is different for native speakers of the language who automatically perceive the speech as being chopped up into discrete units.
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hearten［ˈhɑːtən］vt. 鼓励，（使）振作
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【例】①Chinese people are very heartened by the excellent performance of our team in Olympics.
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②New surgical methods hearten patients.
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【用】hearten后可接介词up。
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