any of a group of gaseous elements that react only slightly with other elements and include helium, neon, argon, krypton, xenon, and radon. Also called inert gas
| 单词 | noble gas |
| 释义 | noble gasnounany of a group of gaseous elements that react only slightly with other elements and include helium, neon, argon, krypton, xenon, and radon. Also called inert gas |
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