Permselective
选择性渗[穿]透的
🗣️ 情景例句
For a house.
为了房子。
Please give my best regards to your parents.
请代我致最高的敬意，向你的父母问好。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-