/ɪnˈvestɪɡeɪt/ V-T/V-I If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth. 调查
/ɪnˈvestɪɡeɪt/ V-T/V-I If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth. 调查