apparatus that detects the path of high-energy particles passing through a supersaturated vapor; each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
双语例句
用作名词 (n.)
Cloud chambers are used for studying radioactivity. 云室是用于研究放射活动的。
It was an adaptation of Wilson's cloud chamber, filled with nitrogen gas. 这只是对威尔逊氮气云室的一种改进。
