Permeaselectivity
选择渗透性
🗣️ 情景例句
He thinks he'll be accepted,
他觉得他会被录取。
Every cook praises his own broth.
自吹自擂。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？