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BNC: 40535 COCA: 33732
acetylene
noun [U] chemistry /əˈsetəˌliːn/
  1. a gas that is burned with oxygen to produce a flame that can cut metal 乙炔;电石气
     Synonyms and related words
    Gases: acetylene, ammonia, argon...
BNC: 40535 COCA: 33732
BNC: 40535 COCA: 33732

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