Permeaselectivity
选择渗透性
🗣️ 情景例句
for them and for myself and for Philip.
为他们， 为我自己和Philip。
I think it's going to be too small.
我认为它将太小。
we'll be poor again.What'll we do then?
我们又会变穷的。那时我们怎么办呢？