an inquiry into unfamiliar or questionable activities
同义词：probe
the work of inquiring into something thoroughly and systematically
同义词：investigating
investigation例句
It's only the initiative of the investigation.
这仅仅是调查的开始。
We were greatly aided in our investigation by the cooperation of the police.
我们在调查的过程中得到警方的大力协助。
The investigation was carried out under the direction of a senior police officer.
调查是在一位高级警官的指导下进行的。
He has promised a thorough investigation into the affair.
他已答应彻查此事。
The government made an investigation of the employment in the public and private sectors.
政府对国营和私营部门的就业情况作了一次调查。
The accident is under investigation.
这一事故正在调查之中。
investigation详细解释
in.ves.ti.ga.tion n.（名词）The act or process of investigating.调查：调查的动作或过程A detailed inquiry or systematic examination.See Synonyms at inquiry 调查研究：详细的查问或系统的检查参见 inquiry 【引伸】 inves.tiga.tional adj.（形容词）
