in constant motion

常见例句

Rule 3: All molecules are in constant motion.
定律三:所有的分子都在不断地运动。
Not only the planets but also the sun is in constant motion.
不仅是行星而且太阳也在不断地运动。
On the map of modern Britain, with giant supermarkets and depots joined up by motorways, his lorries were like bright ants in constant motion between them.
在有由高速公路连接起来的巨星超市和仓库的现代英国地图上，他的货车就像一群快活的蚂蚁在超市和仓库之间不断运动着。

Is the other party in constant motion, in fact, never quite coming to rest during the conversation?
FORBES: How to Spot Fake Listening: Body Language Quick Takes #4
On the map of modern Britain, with giant supermarkets and depots joined up by motorways, his lorries were like bright ants in constant motion between them.
ECONOMIST: Edward Stobart
Compared with the sluggish air on Earth, the Martian atmosphere is in constant motion: between the surface and six feet above it, temperatures can vary by as much as sixty degrees.
NEWYORKER: The Martian Chroniclers