v.调查( investigate的过去式和过去分词 );审查;侦查;研究;
例句:
He has carefully investigated the allegations.
他对这些指控作了详细调查.
Some facts came to light when we investigated the phenomenon.
当我们调查这一现象时,一些事实才真相大白.
The manager asked him to hold on while he investigated.
经理让他稍等一会儿,他去调查一下。