acro·le·in /əˈkroliən/
  丙烯醛
  acro·le·in /əˈkrolɪən/ 名詞
  丙烯醛
  A·cro·le·in n.  Chem. A limpid, colorless, highly volatile liquid, obtained by the dehydration of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating.
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  acrolein
       n : a pungent colorless unsaturated liquid aldehyde made from
           propene [syn: propenal]