| 单词 | kryptons |
| 释义 | krypton or crypton /kripˈton/nounAn inert gaseous element (symbol Kr; atomic no 36) present in the air in extremely small quantity, used in fluorescent lights and lasers ORIGIN: Gr kryptein to hide krypˈtonite noun Someone or something that renders an apparently invulnerable person or thing vulnerable (after the name of the only substance to which the comic-strip character Superman is vulnerable) |
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