Penetrant
a. 渗[穿]透的
🔁 扩展释义
【化】 渗透剂
🗣️ 情景例句
She has nobody she can turn to.
她求助无门。
It's wrong to break the law.
犯法是不对的。
planes, or land vehicles----for it is something in between a boat and an aircraft.
飞机，或是陆上交通工具，因为它是介于船和飞机之间。