/ɪnˌvestɪˈgeɪʃn ||; ɪnˌvɛstəˈgeʃən/noun
[C,U] (an) investigation (into sth) an official examination of the facts about a situation, crime, etc (官方)调查,审查,研究:
The airlines are going to carry out an investigation into security procedures at airports.航空公司将研究机场的保安程序。The matter is still under investigation.事情仍在调查阶段。
investigation/In͵vɛstəˋgeʃən; InˌvestIˈɡeIʃ$n/n [C,U] an official attempt to find out about something, especially a crime or accident〔尤指对犯罪事件或事故的〕调查﹐侦察: a murder investigation 谋杀案调查+into Police have launched an investigation into the tragedy. 警方已对这起惨案展开调查。under investigation (=being investigated) 正在调查中 The case is still under investigation. 此案仍在调查中。