Cationite
阳离子交换剂
🗣️ 情景例句
It's well worth the time.
这很值得花时间。
All work and no play make Jack a dull boy.
尽量学，尽情玩。
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。