I had forgotten to add more oil to the drop of water to stop it from drying.

VOA: special.2009.07.25

And then they found that they could freeze-dry this preparation of virus, and freeze-drying to lower the temperature, freeze it, then extract out all the water, so you're left with a powder, basically a powdered form of the virus, that could be shipped all over the world, and then reconstituted by adding water to it.

研究者们发现可以冷冻干燥这些病毒制剂,冷冻干燥就是就是降低温度,冷冻病毒,然后提取出所有水份,然后就剩下一些粉末,这主要是粉末状的病毒,这样就能将它运往全世界,并可以通过加水来恢复病毒的活性

耶鲁公开课 - 生物医学工程探索课程节选

A painter's colors can show the drying of dreams or the flight of the human spirit.

VOA: special.2011.04.14

After several more drying steps, the paper is carefully lifted back from the mold.

VOA: special.2009.07.06

They must find the right combination of soil mix, water content and drying methods.

VOA: special.2009.01.12

Carefully,I added some oil to the water to prevent it from drying.

VOA: special.2009.07.25

But today,the climate is drying out the fertile grasslands.

VOA: special.2009.04.22

Rivers are drying up, grazing land for cattle is scarce, and the dry soil is hard to farm.

VOA: standard.2010.04.01

And although known oil supplies are drying up, Yemen has begun exporting liquefied natural gas.

VOA: standard.2010.04.20

Environmentalists are trying to encourage Sierra Leone's salt producers to use other methods, including drying salt in the sun, to reduce the strain on mangroves.

VOA: standard.2010.03.29

Look at our lakes, they are drying up. Look at our rivers, they are drying up.' And I think,by extension, the same with other African countries.

VOA: standard.2009.10.13