Piperonylidene
[化] 亞胡椒基; 3,4-亞甲二氧苯亞甲基
??? 情景例句
This afternoon we're going to visit a friend in the hospital.
今天下午我們將去探望一位住院的朋友。
Curiosity killed the cat.
好奇心，惹禍根。
Oh, no, don't do that.
哦，不。請不要這樣。