Permselectivity
选择通透性
🗣️ 情景例句
I'll help.
我也来帮忙。
Do you like skating?
你喜欢溜冰？
He usually takes a short walk in the evenings and is always home by seven o'clock.
傍晚常常出去溜达一会儿，并且总是在7点钟以前回来。