But some of them now defend the animals and work to keep them alive.

VOA: special.2009.05.05

But what do you- I want to know what you think. You defend them.

但我想知道的是，你是怎么想的,你是怎么想的，才会为他们辩护。

耶鲁公开课 - 公正课程节选

Without them,he said, he could not defend the forts.

VOA: special.2009.07.23