Neosepta
一种离子交换膜
🗣️ 情景例句
No, that's not right. Most of the time I do those things.
不对。那些事多数情况是我来做。
But I'll pay. Why not?
但是我付钱啊，不行吗？
How old are you in the picture?
相片里的你多大了？