Investigator
01
a police officer whose duties include examining crimes and gathering evidence
例子
She is a seasoned criminal investigator.
02
a person who conducts scientific or scholarly research
例子
She is a leading investigator in molecular biology.
03
a person who examines or inquires into a matter in order to discover facts
例子
The investigator looked into the cause of the accident.
词汇树
investigator
investigate
investig
