| 词汇 | krypton |
| 释义 | kryp·tonBrE /ˈkrɪptɒn/ NAmE /ˈkrɪptɑːn/ noun [U ] (symbol Kr ) a chemical element . Krypton is a gas that does not react with anything , used in fluorescentlights and lasers .氪;氪气 |
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