v cause (a liquid) to enter by penetrating the interstices
v enter a group or organization in order to spy on the members
v pass into or through by filtering or permeating
v pass through an enemy line; in a military conflict
n. （使）渗透, （指思想）渗入人的心中( infiltrate的名词复数 )
v. （使）渗透, （指思想）渗入人的心中( infiltrate的第三人称单数 )