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单词 ketene
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ke•tene  (kētēn),USA pronunciation n. [Chem.]
  1. Chemistrya colorless, poisonous gas, C2H2O, irritating to the lungs, prepared from acetone or acetic acid by pyrolysis: used chiefly in the manufacture of certain commercial chemicals, as acetic anhydride and aspirin.
  • ket- + -ene 1905–10

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