浸滤

例句：

1. 1. The spy infiltrated the enemy's base to gather intelligence.
   间谍潜入敌方基地收集情报。
2. 2.The thief infiltrated the bank and stole millions of dollars.
   小偷潜入银行并偷走了数百万美元。
3. 3.The virus infiltrated the human body and caused severe illness.
   病毒侵入人体并引发严重疾病。