American researchers used a national long-term survey of adolescent health to investigate the link between media use and depression.

VOA: special.2009.03.10

And then of course we could have further investigate whether-- when you reassemble a body, is it more like the watch case or ? is it more like the tower case?

接着我们才可以,更深入地去研究-,当你重组肉体时，情况是更接近手表这个案例,还是搭积木塔这个案例？

耶鲁公开课 - 死亡课程节选

Politicians urged President Lincoln to investigate the anti-war protests in New York to learn who had led them.

VOA: special.2009.10.29

European Union officials say they will form a team of experts to investigate non-Islamist threats in Scandinavian countries.

VOA: special.2011.07.30

The researchers advise growers to investigate the effects of thinning or pruning to reduce the number of fruit in early summer of the on-crop year.

VOA: special.2009.11.10

Parliament appointed a fourteen-member committee to investigate the case.

VOA: special.2010.04.27

In February, the government of Pakistan asked U.N.Secretary-General Ban Ki-moon to establish an international commission to investigate Mrs.Bhutto's assassination.

VOA: standard.2009.06.21

The ruling by Ukraine's Central Election Commission to not investigate allegations of vote rigging is a setback for pro-Western Prime Minister Yulia Tymoshenko's campaign to challenge the results of the February 7 ballot.

VOA: standard.2010.02.14

The State Department says if the Sri Lankan government really is interested, as it says it is, in post-war reconciliation, it should investigate alleged abuses in the closing months of the conflict and bring to justice those responsible.

VOA: standard.2009.10.22