infiltration noun

ADJ. large-scale | communist, right-wing, etc.

VERB + INFILTRATION reduce | prevent

PREP. ~ by The police tried to prevent infiltration by drug traffickers. | ~ into the infiltration of rain into the soil

You can also check other dicts: infiltration (English, 中文解释 ), wordnet sense, Collins Definition

  • IELTS Speaking Topics (part 1,2,3)
  • IELTS Essay Writing Topics
  • IELTS Writing Ideas
  • Free Collocation Download