英语词汇“perpetual motion machine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

perpetual motion machine

释义

Noun: perpetual motion machine

A machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy

Derived forms: perpetual motion machines

Type of: machine

Encyclopedia: Perpetual motion machine

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