| 例句 |
infiltratedverbpast tense of infiltrate to introduce in a gradual, secret, or clever wayover time, undercover agents infiltrated the crime ring and eventually busted their gambling racket insinuated, slipped, sneaked(or snuck), worked in, wormed, wound(also winded), wriggled crept, edged, wiggledinserted, interpolated, interposed, introduced |