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perpetual motion

noun
/pəˌpetʃuəl ˈməʊʃn/
/pərˌpetʃuəl ˈməʊʃn/
[uncountable]
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  1. a state in which something moves continuously without stopping, or appears to do so永动
    • We're all in a state of perpetual motion in this office (= we're always moving around or changing things).我们这个办公室里大家总在忙得团团转。
    • Scientists have never discovered the secret of perpetual motion.科学家们从未发现永动机的秘密。
    • His travel schedule keeps him in perpetual motion.他的旅行计划使他不停地到处奔波。

See also: perpetual motion


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