The Innocence Project is a group that works to help prisoners who could be proven innocent by DNA testing.

VOA: special.2009.10.03

We did a little study once in our group testing the following hypothesis.

我们小组曾做了个研究,想要检验下述假说

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

On Monday,an influential group of medical experts released new guidelines on testing for breast cancer.

VOA: special.2009.11.18

The experts now recommend testing every two years for that age group.

VOA: special.2009.11.18