Permeaselectivity
选择渗透性
🗣️ 情景例句
The only entry requirement is a valid passort.
入境的唯一条件就是持有一本有效的护照。
I used to work until nearly 6:00 o'clock each day.
我过去每天常工作直到将近6:00点钟。
Despite its immensity,
尽管此桥很大，