But some people abuse them, and abusing painkillers can be like riding a wild animal.

VOA: special.2010.05.04

This normal weight animal like this has its whole equilibrium thrown off, its homeostasis thrown off when its dietary conditions change.

在饮食条件发生变化时,这些正常体重动物的生理平衡被打破,于是摈弃了原来的平衡饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We had like... It was all vegan, no animal products at all. That was good.

那全是素食的，没有一点肉类。对身体很好。

与朋友们的回忆 - SpeakingMax英语口语达人

During this period, large North American animal species like mammoths and saber-toothed cats disappeared.

VOA: special.2009.01.20

But, unfortunately, there aren't good animal models for many of the diseases that we'd like to study.

但是很遗憾的是,对于很多我们想要研究的疾病,并不能找到合适的动物模型

耶鲁公开课 - 生物医学工程探索课程节选

Looking at this painting is like watching an action-filled movie about the animal kingdom.

VOA: special.2010.12.15

There's this American movie "Animal House" about this like, crazy fraternity.

有个美国电影叫“动物之家”，讲述了一个很疯狂的男大学生联谊会。

有趣的吃东西协会 - SpeakingMax英语口语达人

They use biomass fuels like wood,crop waste, animal waste or coal.

VOA: special.2010.02.01

Even--or a large animal like a cow.

而像奶牛这样大的动物就更难保存了

耶鲁公开课 - 生物医学工程探索课程节选

That boy put up a fight like a wild animal.

VOA: special.2011.01.22

Here's an example of using a large animal by inserting the gene that you're interested in, you can make this animal into a factory for the kind of protein that you would like to make.

这就是一个通过植入你所感兴趣的,基因来利用大型动物的例子,你同样能把这些动物变为,你所需要的目标蛋白的加工厂

耶鲁公开课 - 生物医学工程探索课程节选

"But,since I became an animal protector it seems like wildlife numbers are increasing."

VOA: standard.2010.02.22

And,by filling in the blanks, they see the real material that been used in the reconstruction, but they also see what the animal looks like in its entirety."

VOA: standard.2009.12.08

Because if you just have random bones lying around, it's hard for someone to come in and look at it and understand what the animal looked like in its entirety.

VOA: standard.2009.12.08