investigation [ɪnˌvɛstɪˈɡeʃən]

例句:

• The seriousness of this incident meant an immediate investigation.
  来自BBC
• The allegations are serious enough to warrant an investigation.
  这些指控很严重，有必要进行一番调查。
  
• An investigation is underway to find out how the disaster happened.
  调查已经展开，以查明灾难是如何发生的。
  
• Despite a thorough investigation, no trace of Dr Southwell has been found.
  尽管进行了彻底的调查，还是没有发现索思韦尔博士的任何踪迹。
  
• Her story prompted a police investigation into the incident.
  来自BBC
• The cause of the grounding is still under investigation.
  来自BBC