Polyampholyte
聚两性电解质
🗣️ 情景例句
Let's take a snack break.
咱们休息一下，吃点东西吧。
Is there a museum nearby?
这附近有没有博物馆？
Not very good at the moment, I'm afraid. It's quite windy, and there's a lot of snow.
恐怕这阵子不很好。风很大，而且老下雪。