| 单词 | perpetual motion machine of the second kind |
| 释义 | perpetual motion machine of the second kind [pǝr`pech·ǝ·wǝl `mō·shǝn mǝ´shēn ǝv thǝ `sek·ǝnd ´kīnd] PHYSICS A device that extracts heat from a source and then converts this heat completely into other forms of energy; it violates the second law of thermodynamics. |
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