Most do not spread malaria. Some of the insects have disease-fighting systems that kill Plasmodium.

VOA: special.2009.12.22

If I can run the gel for some period of time, run the electrical field, spread it out.

我将凝胶通电一段时间后,在电场作用下,就会分散开来

耶鲁公开课 - 生物医学工程探索课程节选

But what if instead of taking the fluid from a cow, I inoculated--he inoculated me, let's say, and waited until I had the lesion at the right stage, then took some of my fluid and gave it to Brian and Nate and Mirtalla and spread it through the community around me.

但假如不从奶牛那儿取得脓液,假设说是从他那里接种,等到病变程度合适,然后把我的脓液给,布莱恩和纳特还有米特拉,并在我身边的人们之间传播

耶鲁公开课 - 生物医学工程探索课程节选

Most do not spread malaria. Some have immune systems that kill Plasmodium.

VOA: special.2009.12.07

Some scientists have said the government should cancel large sporting events and close schools to try to stop the spread of the respiratory disease.

VOA: standard.2009.05.30

When those tensions spread to Key West, and some factories were burned, Tampa's leaders invited its biggest cigar maker, Don Vicente Martinez Ybor, to relocate there.

VOA: standard.2010.04.15

Some pilgrims wore protective masks to prevent the spread of germs.

VOA: standard.2009.11.29

"Obviously there is a bit of a spread between those two figures and it suggests the possibility of some political problems for the president if he should not take the military recommendation and that difference gets to be a big issue,".

VOA: standard.2009.10.09