Question

acrolein
a.cro.le.in  AHD[…-kr½“l¶-¹n]   DJ[*6kr*&li8!n]  KK[*6kroli!n]
n.（名词）
    A colorless, flammable, poisonous liquid aldehyde, CH₂CHCHO, having an acrid odor and vapors irritating to the eyes.
    丙烯醛：一种无色、易燃、有毒的液体乙醛，CH₂CHCHO，含有刺激眼睛的辛辣气体
ORIGIN
1.acr(id)
    acr(id)
2.olein
    olein