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"helium and argon are monatomic gases"
同义词: monoatomic
以上来源于: WordNet
ADJ (of an element) having or consisting of single atoms (元素)单原子的 [chem]
argon is a monatomic gas
monoatomic
Argon is a monatomic gas.
氩是单原子气体。
youdao
Helium and argon are monatomic gases.
氦和氩都是单原子气体。
They established their monatomic and unreactive nature.
这些元素建立了“单原子分子、不反应”的特性。
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