Question

acetaldehyde
ac.et.al.de.hyde  AHD[²s”¹-t²l“d…-hºd”]   DJ[7#s!6t#ld*7ha!d]  KK[7#s!6t#ld*7ha!d]
n.（名词）
    A colorless, flammable liquid, C₂H₄O, used to manufacture acetic acid, perfumes, and drugs. Also called  aldehyde
    乙醛：一种无色，易燃的液体，C₂H₄O，用于生产乙酸、香水和麻醉药 也作  aldehyde