Porosities
(porosity 的復數) n. 多孔性, 有孔性\\n[計] 多孔性
??? 情景例句
Like what special matters?
什么樣的特殊狀況？
No matter where you go you'll meet nice people.
無論你到哪里，你總會遇到好人。
That's right. Catch a cold is something you do; have a cold is something you have.
對。“傷風”是你所做的事情；而“患感冒”則是你所經歷的事情。