Federal Bureau of Investigation

例句：

1. 1. The FBI isresponsible for investigating crimes and terrorism.
   联邦调查局负责调查犯罪和恐怖主义。
2. 2. The FBIhas been accused of bias in its investigations.
   联邦调查局被指控在其调查中有偏见。
3. 3. The FBI is the world's largest law enforcement agency.
   联邦调查局是世界上最大的执法机构。