Permeaselectivity
选择渗透性
🗣️ 情景例句
Well, I'd describe it as a book which is a ...
嗯， 我会把这本书形容一幅……
Mother enjoys listening to that symphony.
母亲喜欢听那首交响乐。
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。