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词汇 engine
词根词缀 词源:
c.1300, from O.Fr. engin "skill, cleverness," also "war machine," from L. ingenium "inborn qualities, talent," from in- "in" + gen-, root of gignere "to beget, produce." At first meaning a trick or device, or any machine (especially military); sense of one that converts energy to mechanical power is 18c., especially of steam engines.
词根记忆:
n.
发动机,引擎;火车头The engineer examined the engine of the mining machine for stomach.工程师检查采矿机的发动机是否有肚子痛.
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更新时间:2025/1/10 9:44:31