MEANING/意义
气体
EXAMPLES/列句
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氩是单原子气体。Argon is a monatomic gas.
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氦和氖为惰性气体。Helium and neon are inert gases.
COMBINATIONS/组合
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医疗气体medical gas
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污染气体waste gas,dusty gas
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温室气体greenhouse gases
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气体比重计aerometer
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污染气体排放emission of dusty gas