| 单词 | infiltrator |
| 释义 | infiltrate /inˈfil-trāt or -filˈ/transitive verb
(of troops, agents, etc) to enter (a hostile area) secretly and for subversive purposes nounAny substance permeating a solid ORIGIN: in- (1) infiltrāˈtion noun
inˈfiltrative adjective inˈfiltrator noun Someone who becomes accepted as a member of a group towards which he or she has hostile or subversive intentions |
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