It is exciting to stand only a few meters away and watch scientists clean the asphalt off a fossil that is thousands of years old.

VOA: special.2010.04.07

And the way it manifests itself, as you know from just how people talk, is you're compulsive, you're clean, you're stingy.

这种人格表现为，强迫，有洁癖和吝啬，这些都可从人们谈话方式看出。

耶鲁公开课 - 心理学导论课程节选

The simile pushes the size of the spear clean out of our rational comprehension, and it's this process that is, according to Stanley Fish, the point of the simile.

这个比喻对长矛的形容,大大超出了正常的理解范围，对斯坦利费什来说，这恰恰是表达这个比喻的目的的一个过程。

耶鲁公开课 - 弥尔顿课程节选

Then wash it with clean water that is a little warm.

VOA: special.2010.08.02

You could argue, well, x is in some sense inherently a method, but it's not nearly as clean as what I would like.

你可以争论这一点，好，x在某种意义上，页是一个方法,但是它可能并没有。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now UNESCO is warning the Lebanese government to clean up Qadisha or it could be removed from the World Heritage list.

VOA: standard.2010.08.05

"It is his anticipation that the Afghans are going to come to expect more from their government,expect clean and competent leadership from their government,"

VOA: standard.2009.11.12

"The sea grass is very important." "It filters the water, it keeps the water clean.

VOA: standard.2010.07.05

The single watt solar LED package works, Irvine-Halliday told Capitol Hill staffers at a recent meeting in Washington,because it is affordable, clean and easy to set up and maintain.

VOA: standard.2009.12.13

In a speech at Carnegie Mellon University, President Obama referred to the Gulf oil spill in making the case that it is time, as he put it, to "aggressively accelerate the nation's transition to a clean energy economy."

VOA: standard.2010.06.14

Earlier Friday, BP's incoming CEO Bob Dudley, said it is time to scale down the vast operation to clean up the Gulf of Mexico oil spill, but he stressed his company's commitment to fully restore the environment.

VOA: standard.2010.07.31