investigation

US /ɪnˌves.təˈɡeɪ.ʃən/
UK /ɪnˌves.təˈɡeɪ.ʃən/
"investigation" picture
1.

調查, 研究, 偵查

the action of investigating something or someone; formal or systematic examination or research.

:
The police launched an investigation into the robbery.
警方對這起搶劫案展開了調查
A thorough investigation revealed the cause of the problem.
一項徹底的調查揭示了問題的原因。