Level 6 · word 15,325 of 20,000

infiltration

/ˌɪnfəlˈtreɪʃən/ American
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  • n. 渗透, 潜入
  • n. 渗透作用
Definition
  • n. the act of secretly entering or passing into a place
  • n. the slow passing of a liquid through a material
Example
The spy planned a careful infiltration of the enemy base.
间谍策划了一次周密的渗透行动,潜入敌方基地。
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