[TOP]krypton kryp·ton / ˈkriptɔn; <ɪ style="color:#62081f">ŋæmə <ʃOŋð color="#ˌdˌdˌd">-tɑ:n / noun əu] (symb Kr) a chemical element. Krypton is a gas that does not react with anything, used in fluorescent lights and lasers . 氪；氪气 [TOP]krypton kryp·ton / ˈkrɪptɑn ; ˈkrɪptɔn / noun [U] 1. a colourless gas that is found in very small quantities in the air and is used in FLUORESCENT lights and LASERS . It is a chemical ELEMENT : symbol Kr 氪（气）〔一种化学元素，符号为 Kr〕 [TOP]kryptonUK ['krɪp.tɒn] US [-tɑ:n] noun uncountable » a gas which is used in particular types of lights and lasers 氪 [TOP]krypton
1.N-UNCOUNT 不可数名词 氪Krypton is an element that is found in the air in the form of a gas. It is used in fluorescent lights and lasers.