Permeaselectivity
选择渗透性
🗣️ 情景例句
That's okay.
没事儿。
I'd like a refund.
我要想退款。
At last he said,I think I can help him. He'll be OK if I do one small operation.
“我想我能治他的病。只要我给他做一个小手术，他就会好的。”