Polysulfonate
多磺酸盐
🗣️ 情景例句
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
When Emily came home at three in the morning, her father hit the ceiling.
哎米莉在凌晨2点钟回家时，她父亲大发雷霆。
May I know the quantity you require?
请问你们需要多少数量的货物？