Ray LaHood, Secretary of the U.S.Department of Transportation, says distracted driving is a critical problem.

VOA: standard.2010.06.24

And what's interesting about this sun is it has a ray of light coming out of the top.

这幅画的有趣之处在于红日的光线从画面的顶端射了出来。

It's like 课堂 - SpeakingMax英语口语达人

It is an electron beam. In the 1890s, the latter part of the 19th century a very fashionable word was "ray."

那是个电子束，在十九世纪九十年代，就是19世纪末,一个很时髦的词汇-“光线“

麻省理工公开课 - 固态化学导论课程节选

It allows us to look not just at the anatomy of what's going on inside your body like an x-ray does, but to look at the chemistry, the biochemistry of what's happening inside a particular organ or tissue in your body.

这种方法不仅能够像X射线那样,使我们从解剖学的角度观察体内的情况,还能了解到,在体内特定的组织和器官中,发生的化学 确切说是生物化学过程

耶鲁公开课 - 生物医学工程探索课程节选