Duolite
离子交换树脂
🗣️ 情景例句
I can consider it. Do you have any literature I can take with me?
我会考虑的。你们有什么说明书可以让我带走吗？
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
I'm sorry about that.
这件事我很报歉。