Polyampholyte
聚两性电解质
🗣️ 情景例句
Thank you. The same to you.
谢谢。圣诞快乐！
We are looking forward to your reply to our inquiry.
我们期待你方对我方的询盘做出答复。
Good heavens! There you are!
哎呀！你们才回来！