Cationite
阳离子交换剂
🗣️ 情景例句
English is important for those who wish to do international trade.
英语对于那些想做国际贸易的人来说太重要了。
He sees things. He has gone crazy.
他有幻觉。他疯了。
We are all in favor of this plan.
我们都赞同这项计划。