infiltrate

• 指秘密地渗透或进入某个组织、地点或系统，通常出于间谍或破坏目的。

A verb used to indicate the act of secretly entering or gaining access to an organization, place, or system, often for espionage or subversive purposes.

1. Penetrate with liquidB2formalscientific

   To cause a liquid to enter something by passing through its pores or small spaces.

   渗透

   • The rain infiltrated the soil, reaching the roots of the plants.
   • Water infiltrated the cracks in the old foundation.
   • The chemical slowly infiltrated the porous rock.

   同义词imbueimpregnatepermeatesaturatesoaksteep

2. Enter secretly to spyB2formal

   To join a group or organization secretly, especially to gather information or influence its activities.

   秘密潜入以从事间谍活动

   • The agent infiltrated the criminal gang to gather evidence.
   • They attempted to infiltrate the political party's inner circle.
   • A spy was sent to infiltrate the enemy's headquarters.

   同义词intrudepenetrate

3. Filter or permeateB2formal

   To pass into or through something by filtering or gradually spreading.

   渗透或渗入

   • Light infiltrated the dense forest canopy.
   • The smell of smoke infiltrated the entire house.
   • New ideas began to infiltrate the conservative society.

   同义词filterimbuepenetratepercolatepermeatepervadesaturateseepsoak

4. Military penetrationC1formalpolitical

   To pass through enemy lines or territory in a military context.

   军事渗透

   • The soldiers infiltrated the enemy camp under cover of darkness.
   • They successfully infiltrated the defensive perimeter.
   • The unit was trained to infiltrate behind enemy lines.

   同义词breachpenetrate