Penetrant
a. 渗[穿]透的
🔁 扩展释义
【化】 渗透剂
🗣️ 情景例句
Why can't you do both?
为什么不能两样一起做？
I couldn't help it.
我没有办法。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。