investigate
US /ɪnˈves.tə.ɡeɪt/
UK /ɪnˈves.tə.ɡeɪt/

动词
1.
调查, 研究
to carry out a systematic or formal inquiry to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth
示例:
•
The police are investigating the cause of the fire.
警方正在调查火灾原因。
•
We need to investigate all possible solutions.
我们需要调查所有可能的解决方案。
在 Lingoland 学习这个单词