Diacetamide
二乙酰基胺
🗣️ 情景例句
This dog is well trained.
这只狗受过很好的训练。
I've spoken English all my life.
我一辈子说英语。
Though they may atttain considerable accuracy in the perception of flat form,
虽然他们对平面形的感觉能达到相当准确的程度，