If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth.
近义词
examine , explore , study , analyse
双语例句
例： They're still investigating the accident.
他们还在调查这起事故。
例： Research in Oxford is now investigating a possible link between endometriosis and the immune system.
牛津的研究者现正在调查子宫内膜异位与免疫系统之间可能存在的联系。