verb · to secretly enter an organization or territory for hostile or espionage purposes

敌方特工正试图渗透进我们的内部系统。

verb · the chemical process of molecules passing through a semipermeable membrane

反渗透技术常用于净化饮用水。

verb · to gradually spread through or influence a population, market, or culture

这种文化影响已经渗透到人们的日常生活中。

verb · to physically seep into or pass through a porous substance

大量的汗水已经渗透了他的背心。