rare gas
noun /ˌreə ˈɡæs/
/ˌrer ˈɡæs/
(also inert gas, noble gas)
(chemistry)- any of a group of gases that do not react with other chemicals. Argon, helium, krypton and neon are rare gases.
| 单词 | rare gas |
| 释义 | rare gasnoun /ˌreə ˈɡæs/ /ˌrer ˈɡæs/ (also inert gas, noble gas) (chemistry)
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