to secretly become part of a group in order to get information or to influence the way that group thinks or behaves
发音
例句
1. The teacher tried to infiltrate her ideas into the children's minds. 老师设法把她的思想渗透到孩子们的心中。 2. It can infiltrate as much as 100 kilometers into enemy territory at night. 可以在夜间深入敌领土100千米。