Cationite
阳离子交换剂
🗣️ 情景例句
Jnice to have you with us.
很高兴你能跟我们在一起。
If it doesn't rain tomorrow, will you do a favor for me?
如果明天不下雨的话，你会帮我忙吗？
By bicycle? From Beijing? That's a long trip.
骑自行车去？从北京出发？这可是长途旅行呀。