They hope that future synthetic cells can make useful bacteria for products like bio-fuels or vaccines, and to clean up polluted water.

VOA: special.2010.07.20

You cannot just tell the computer to enhance that or can you clean that up and then magically use zoom in not only on the image but also on the reflection of the victim in someone's eyeball.

你不能直接要求计算机增强,这张图片或者修复它,然后期待计算机很神奇地放大图片,以及死者的眼珠的反光。

哈佛公开课 - 计算机科学课程节选

Or if someone makes a mess in a, in a common area, they are expected to clean up that mess.

如果有人把公用区域弄脏了，那他就要负责打扫干净。

有趣的室友们 - SpeakingMax英语口语达人

Remove dirt from the wound and press on it with a clean cloth or piece of clothing.

VOA: special.2009.08.11

Again, this probably should be cleaned up and in a couple of weeks we'll spend a day or half period trying, to clean it up and make it somewhat more precise.

以上内容还有待梳理,未来两周我们将会花上一天半左右的时间,试着梳理这些内容,使其更加精确

耶鲁公开课 - 死亡课程节选

But you can use a swab or cloth to clean the outer part of the ear.

VOA: special.2010.03.31

But it does not keep people from getting health care or clean water to their houses."

VOA: special.2009.11.28

Someone would have to clean the snow off the sidewalk, either him or his father.

VOA: special.2009.03.07

And,for some reason, it could mean to organize,or clean.

VOA: special.2010.03.07

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

Bennett says clean drinking water is the next big concern, especially to prevent an outbreak of diseases such as diarrhea or cholera.

VOA: standard.2010.08.02

She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.

VOA: standard.2010.02.24

He says Iran must come clean about its nuclear program or face the consequences.

VOA: standard.2009.09.25