英语单词“perpetual motion”的翻译、意思、音标-英汉词典

单词	perpetual motion
释义	[U] movement (eg of an imagined machine) that would continue for ever without getting power from an outside source 永动（不需外加能量永久运转, 如假想的机器）.
随便看	parochial parody paroxysm parquet parquetry parrot parry parse parsimonious parsimony partial partiality participant particular particularize partisan partition parturition parvenu passionate passive passivity pastel pasteurize pastiche