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BNC: 10804 COCA: 12488
ammonia
noun [U] chemistry /əˈməʊniə/
  1. a poisonous gas with a strong unpleasant smell, or the gas dissolved in water. It is used in products used for cleaning things. 氨,氨水(一种有毒气体或液体,味道刺鼻,常用于清洁产品)
     Synonyms and related words
    Gases: acetylene, ammonia, argon...

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