Vanamid
聚酰胺
🗣️ 情景例句
How do you tie your bow tie?
你怎么打领结的？
To be of use in the world is the only way to be happy.
为善最乐。
I don't want to share a room with anybody. I want my own room.
我不想和任何同住，我想要自己住。