英语词汇simple machine的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	simple machine
释义	simple machine simple machine n.（名词）A simple device, such as a lever, a pulley, or an inclined plane; a machine.简单机械：一个简单的装置，如杠杆、滑轮或斜面；机械装置
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