Propylaldehyde
丙醛
🗣️ 情景例句
What's wrong with him?
他怎么啦？
That was my last one, too.
那可是我最后额财产了。
She was thinking that she must reprimand her home help the next morning for such a monstrous piece of negligence,
她心想明天上午一定要好好训斥那个干家务的帮手，她竟如此疏忽大意。