柯林斯词典argon /ˈɑːɡɒn/ 1. N-UNCOUNT Argon is an inert gas which exists in very small amounts in the atmosphere. It is used in electric lights. 氩 返回 argon剑桥词典a chemical element that is a gas found in air . Argon does not react with other elements and is sometimes used to make electric lights . 氩 返回 argon