柯林斯詞典infiltrator /??nf?ltre?t?/ (infiltrators) 1. N-COUNT An infiltrator is a person who has infiltrated a place or organization. 滲透者 返回 infiltrator劍橋詞典a person who secretly becomes part of a group in order to get information or to influence the way the group thinks or behaves 臥底人員 The infiltrator was identified and killed . 那個(gè)臥底身份暴露后被殺害了。 返回 infiltrator