perpetual l motion永恒运动
Perpetual-motion engine永动机
The Perpetual Motion Machine永动机
law of perpetual motion翻译;永久运动律英语
a perpetual motion machine永动机
All this perpetual motion这一切永恒运动
perpetual motion machellone永动机
Texture Perpetual Motion运动组织
perpetual motion machine永动机;动机器;永念头;按照能量守恒定律
N-UNCOUNT（不可数名词） The idea of perpetual motion is the idea of something continuing to move forever without getting energy from anything else. 永动