a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)
the slow passage of a liquid through a filtering medium
同义词：percolation
infiltration详细解释
in.fil.tra.tion n.（名词）The act or process of infiltrating.渗透：渗透的行为或过程The state of being infiltrated.渗入：被渗透的状态Something that infiltrates.渗透物 【引伸】 infil.trative
