Monoacetate
一乙酸酯
🗣️ 情景例句
Your buildings are very large, aren't they?
你们的厂房很大，对吗？
May I help you?
要我帮忙吗？
The tragic sinking of this great liner will always be remembered, for she went down on her first voyage with heavy loss of life.
然而，这艘巨轮首航就下沉，造成大批人员死亡。人们将永远记着这艘巨轮的沉没惨剧。