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perpetual motion的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
motion that continues indefinitely without any external source of energy; impossible in practice because of friction
perpetual motion的用法和樣例：
例句
用作名詞 (n.)
- My organ grinder has discovered the miracle of perpetual motion.Round and round goes his arm, his body rocking to the effort.
我那位演奏風琴的藝人已發現了永恆運動的奧秘，他的手不斷地拉來拉去，身體也隨音樂搖晃。
