in constant motion

基本解釋

Rule 3: All molecules are in constant motion.
定律三:所有的分子都在不斷地運動。
Not only the planets but also the sun is in constant motion.
不僅是行星而且太陽也在不斷地運動。
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.
在有由高速公路連接起來的巨星超市和倉庫的現(xiàn)代英國地圖上，他的貨車就像一群快活的螞蟻在超市和倉庫之間不斷運動著。

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