investigative
adjective /ɪnˈvestɪɡətɪv/
  /ɪnˈvestɪɡeɪtɪv/
(also less frequent investigatory 
 [usually before noun] /ɪnˈvestɪɡətəri/
  /ɪnˈvestɪɡətɔːri/
)- involving examining an event or a situation to find out the truth调查研究的;侦查的 - The article was an excellent piece of investigative journalism.这是一篇优秀的调查研究报道。 
- The police have full investigatory powers.警察拥有调查全权。 
 Collocations DictionaryInvestigative is used with these nouns:- commission
- journalism
- journalist
- …
 
- The article was an excellent piece of investigative journalism.