Penetrant
a. 渗[穿]透的
🔁 扩展释义
【化】 渗透剂
🗣️ 情景例句
since her mother died.
因为她妈妈去世了。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
It looks like the shipping company did this.
应该是货运公司造成的吧。