单词 | krypton |
释义 | krypton/ˈkrɪptɒn ||; ˈkrɪpˌtɑn/noun [u] (symbol kr) a colourless gas that does not react with chemicals, used in fluorescent lights 氪 krypton is a noble gas. 氪是一种惰性气体(noble gas)。 |
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