He also got them to dress the wounds of soldiers without concern for their nationality.

VOA: special.2009.07.01

The other pathway that I think is very promising is now to use stem cell generated cells in culture dishes to use them for high throughput drug screening now we can test thousands of different drugs without killing so many animals.

第二个目标的前景相当广阔,我们可以用干细胞,在培养皿中大量繁殖各种细胞,用于大剂量的药物试验,让你无需屠戮动物,就能进行各种药物试验。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Once you're doing this on your own, -- especially, for example, on exam 2, which is a ways down the road, you won't be able to look at those steps, so you need to make sure that you can go through them without looking at them, but for now we can look at them as we are actually learning how to draw the Lewis structures, and rather just go through them step-by-step, it's more interesting to do it with an example.

每当你要画一个路易斯结构的时候，特别是，比如，在第二次考试中，在不远的将来，你将看不到这张表，因此你需要确保自己在不看这张表,的情况下也能按照上面的流程来画，但是目前我们是可以看着这张表,来学习如何画路易斯结构的，而相比于一步一步地讲，通过例子来演示一下会更有意思。

麻省理工公开课 - 化学原理课程节选

However,dogs without owners to care for them lead a different kind of life.

VOA: special.2010.05.30

"Without some form of market incentive,we believe it will be very hard for them to keep conserving these forests."

VOA: standard.2009.12.17

Morales,who founded a rehabilitation center in San Jose that has helped more than 3,000 trafficking victims, made an emotional appeal for governments to finance organizations like hers, urging remembrance she said, "for all victims who have died without a voice to speak for them."

VOA: standard.2009.06.16