investigate名词
investigate的名词investigation英 [nvestɡen] 美 [nvestɡen] n.(正式的)调查，侦查;科学研究;学术研究复数 investigations
This line of investigation is getting us nowhere.
这种调查方式不会使我们得到任何结果。
So far, the police investigation has drawn a blank.
到目前为止警方的调查毫无结果。
The police have opened an investigation into the death.
警察已开始对这桩命案进行调查。