And another study has linked each hour of watching television daily to an eighteen percent increased risk of death from heart disease.

VOA: special.2010.01.13

His study of the regime that is to say the underlying constitutional principles that govern each order is what distinguishes Aristotle from the other social scientists.

他对政体的研究,也就是说,潜在且管理,每一种规范的宪法原则,即是让亚里士多德不同于,其它社会科学家的地方。

耶鲁公开课 - 政治哲学导论课程节选

That would be a very straightforward functional way to do it, but you could imagine that that's very labor intensive because you've got to separate each individual cell, and you've got to nurture it and then keep track and study what it becomes.

这是一种非常直截了当的有效方法,但你能想象这得耗费海量的人力,因为你得分离每一个细胞,并进行培养,然后还得追踪和研究它们的变化

耶鲁公开课 - 生物医学工程探索课程节选

For the study,they aimed for at least ten hours of sleep each night during the season.

VOA: special.2010.06.09

In one study by James Cutting, Cutting taught an Introduction to Psychology course and before each lecture he'd flash pictures on the screen.

在James，Cutting做的一个研究中，他教一门心理学导论课程,在每节课上课前，他会在屏幕上放一些图片。

耶鲁公开课 - 心理学导论课程节选

This study asks people across the country each year about their health and employment.

VOA: special.2009.06.09