Selemion
一种均质离子交换膜
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
What kind of talk is that?
你说这什么话？
The pie committee decided that the best way to transport the dish would be by canal,
馅饼委员会确认运输这只盘子的最佳方案是通过运河水运。