perpetual motion machine
永动机
常用释义
英式发音
美式发音
基本释义
- 永动机：指在能量守恒定律下本质上不可能存在的一种设备，可以在不从外部源吸取能量的情况下持续进行工作。
例句
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1·It's a $500 billion perpetual motion machine.这一台永动机花费五千亿美元。
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2·A perpetual motion machine would have to be frictionless.永动机只能是一种无摩擦力的机器。
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3·Making energy like the sun does might too cheap to meter or as uneconomical as a perpetual motion machine.像太阳一样产生能量可能会太便宜以至于无法计费，或是像永动机一样太不合算。
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4·That would that would give rise to a perpetual motion machine, breaking of the second law. It can't happen.否则就会使，得永动机出现，打破第二定律那是不可能的。
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5·By what works in other places, I mean that this is nothing like the theory of the perpetual motion machine, which is unworkable even in principle.他山之石，我的意思是这并不是永动机理论，这个理论在原理上本就不通。
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6·Charles Redheffer raised large sums of money in Philadelphia with a perpetual motion machine and then took it to New York in 1813, where hundreds paid a dollar each to see it.查尔斯·李德黑法（Charles Redheffer）凭永动机在费城筹集了巨款，又于1813年将它带到纽约，数百人都花一美元来看该机器。
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7·He is adamant that this is not a perpetual motion machine, and does not violate the law of conservation of momentum because different reference frames apply to the drive and the waves within it.他坚持认为这并非永动机，也没有违反能量守恒定律，因为驱动器和里面的微波使用不同的坐标系。
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8·This will be a whole new experience for you, the perpetual-motion machine.对你这台永动机来说，这将是一全新的体验。
同义词