Piperonal(dehyde)
[化] 胡椒醛
🗣️ 情景例句
Oh, not at first.
噢， 没有马上找到。
Won't you be embarrassed to leave the party early?
你提早一点离开宴会也无妨吧？
He told him he had better return it or he would call the police.
告诉他最好把羊交还，否则就去叫警察。