infiltrates

英 [ˈɪnfɪltreɪts]

美 [ˈɪnfɪltreɪts]

v. (使)悄悄进入，潜入; 渗入; 渗透
infiltrate的第三人称单数和复数

柯林斯词典

VERB 渗透，潜入(地方、组织中等)
If peopleinfiltratea place or organization, orinfiltrate intoit, they enter it secretly in order to spy on it or influence it.
1. Activists had infiltrated the student movement...
  激进分子已经渗入到了学生运动中。
2. The street protests had been infiltrated by people bent on violence...
  街头抗议的人群中已经渗入了一些倾向于暴力的人。
3. A reporter tried to infiltrate into the prison.
  一名记者试图混入监狱。
VERB 使渗入;使渗透
Toinfiltratepeopleintoa place or organization means to get them into it secretly in order to spy on it or influence it.
1. Some countries have infiltrated their agents into the Republic.
  一些国家已派间谍渗入了该共和国内部。