单词 | inert gas |
释义 | inert gas noble gas, inert gas n: (chemical element) SC 惰性气体 duò xìng qì tǐ TC 惰性氣體 SC 稀有气体 duò xìng qì tǐ,xī yǒu qì tǐ Helium is a noble gas and is often used to inflate balloons. |
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