汉英词典
Chinese-English Dictionary
MEANING OF 稀有气体
稀有气体 (稀有氣體)
rare gas / noble gas (chemistry)
氦、氖、氩、氪、氙、氡六种气体的统称。它们都是单原子分子，无色无臭，化学性质极不活泼。因在地壳中含量稀少，所以叫稀有气体。旧称惰性气体。
稀 xī 有 yǒu 气 (氣) qì 体 (體) tǐ
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