Diacetamide
二乙酰基胺
🗣️ 情景例句
I mean--you and me.
我的意思是说你和我。
Straight trees have crooked roots.
直树也有曲根。
Summer is from December to February, and winter is in June, July and August.
夏天从12月到2月，冬天是在6月、7月和8月。