Investigate

及物动词 vt.1.调查; 审查 He has carefully investigated the allegations.他对这些指控作了详细调查。The police are investigating the murder.警察在调查那起凶杀案件。2.侦查；研究 不及物动词 vi.1.作调查；调查研究；审查 to investigate into a rumour追查谣言的来龙去脉