- v. （使）渗透；（使）渗入；潜入
cause (a liquid) to enter by penetrating the interstices
enter a group or organization in order to spy on the members;
"The student organization was infiltrated by a traitor"
pass into or through by filtering or permeating;
"the substance infiltrated the material"
pass through an enemy line; in a military conflict
- The thick fog seemed to have infiltrated through the very walls into the room.
- The teacher tried to infiltrate her ideas into the children's minds.
- Beware of the fifth column. They often infiltrate into key positions and seek to undermine the body politic from within.
- The enemy infiltrated our land.
- Our entire organization had been infiltrated by enemy agents.
- He joined the party and turned out to be a wolf in sheep's clothing because he was sent to infiltrate our group for the extreme right wingers.
2% plain lignocaine was infiltrated into the wound.出自：British Medical Journal