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。
那就是永恒的运动。
It's a $500 billion perpetual motion machine.
这一台永动机花费五千亿美元。
Perpetual motion is one of the important physical concepts.
永久运动是重要物理概念之一。
A perpetual motion machine would have to be frictionless.
永动机只能是一种无摩擦力的机器。
This will be a whole new experience for you, the perpetual-motion machine.
对你这台永动机来说，这将是一全新的体验。
Most children are in perpetual motion.
大多数小孩子都总是好动的。
The need for perpetual motion has always been Tony Perrottet's most obvious personality disorder.
对永动的追求一直以来是托尼。佩罗蒂提最明显的性格障碍。
In reality, life is perpetual motion.
实际上生活是永恒的变化。
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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