那就是永恒的运动。
In reality, life is perpetual motion.
实际上生活是永恒的变化。
Most children are in perpetual motion.
大多数小孩子都总是好动的。
Indeed, on the atomic scale, perpetual motion is a reality.
的确,从原子尺度看,永恒的运动是一个确实存在的事实。
A perpetual motion machine would have to be frictionless.
永动机只能是一种无摩擦力的机器。
Perpetual motion is one of the important physical concepts.
永久运动是重要物理概念之一。
Black carbon, a short-lived particle, is in perpetual motion across the globe.
炭黑是一种“短命”颗粒,在全球范围内处于一种永恒运动状态。
Black carbon, a short-lived particle, is in perpetual motion across the globe.
炭黑是一种“短命”颗粒,在全球范围内处于一种永恒运动状态。
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