相关单词近义词 mole 痣, plant 植物, spy 间谍, double agent (为敌对双方服务的)双重..., subversive 颠覆性的, secret agent 特工人员临近词INF, infact相似词infielder, infighting, infiltrate, infiltration, infinite, infinitely, infinitesimal, infinitive, 返回 infiltrator