Oxaldehyde
乙二醛, 草醛
🗣️ 情景例句
Stop being so moody.
不要这么喜怒无常。
A man can not spin and reel at the same time.
一心不能二用。
3 What have you been interested in for as long as you can remember?
3。你所能想起来的自己感兴趣的事是什么？