Penetrant
a. 渗[穿]透的
🔁 扩展释义
【化】 渗透剂
🗣️ 情景例句
You're working pretty hard these days.
你这阵子工作得很辛苦呀。
Will you please lock the door when you leave?
请您当你离开时，锁门？
He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。