investigator [ɪnˈvɛstɪˌɡetɚ]

例句:

• Don Hassler is the radiation detector's principal investigator.
  来自VOA
• The commission appointed a special investigator to conduct its own inquiry.
  委员会委派了一个特别调查员自行调查。
  
• He was a special investigator for the FBI.
  他是联邦调查局的特别调查员.
  
• Daniels and Franklin concurred in an investigator's suggestion that the police be commended.
  丹尼尔斯和富兰克林一致同意一位调查人员的建议，即警方应该受到赞扬。
  
• She has hired a private investigator to assist her.
  来自NEWYORKER
• Investigator Shawn Harvey says cattle rustling is fairly common.
  来自VOA