英语词汇simple machine的意思、用法及释义-英汉双解词典

单词	simple machine
释义	simple machine any simple instrument used as (part of) a machine, eg a wheel, lever, pulley 简单机械（如轮、杠杆、滑轮）.
随便看	font food food-chain food poisoning food processor foodstuff food value fool foolery foolhardiness foolhardy foolish foolishly foolishness foolproof foolscap foot footage foot-and-mouth football foot-bridge -footed -footer footfall foot-fault

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