柯林斯词典krypton /ˈkrɪptɒn/ 1. N-UNCOUNT Krypton is an element that is found in the air in the form of a gas. It is used in fluorescent lights and lasers. 氪 返回 krypton剑桥词典a chemical element that is a gas that does not react with other elements and is used in some types of lights and lasers 氪 返回 krypton