Triacetamide
三乙酰胺
🗣️ 情景例句
Good morning.
早安。
Take it easy.
想开点吧！
Most of them were able to climb out in time. However four men were not quick enough to escape the flames.
大部分工人能够及时逃生。可是有4个工人来不及逃离火场。