noun 下载 🔗分享 调查, 侦查 The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination Examples : "Despite thorough investigation, the perpetrator of the attacks remains unknown." 虽然经过彻底调查,袭击事件的肇事者仍然不明。 action process law police government science business essential toeic 与AI对话词汇游戏阅读练习