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。

youdao

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。

youdao

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。

youdao

The directors, Jean-Pierre and Luc Dardenne, track the young perpetual-motion machine through his small Belgian city, where he pedals, runs, scampers, dives, and climbs past all clutches, and, when cornered, fights with an animal ferocity.

NEWYORKER: The Kid with a Bike

One of my many frustrations of working in Washington is dealing with perpetual-motion-machine assertions.

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