他们有这些大型动物在大厅里。

They have these huge animals right in the lobby.

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现在，电击训练和医疗服务正在拯救这些大型鸟类。

Now, electric shock training and medical treatment are helping to rescue these big birds.

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如果这些大型猫科动物灭绝了，那么它们捕食的小型动物将会使森林中物种的密度过高。

If these great cats become extinct, the smaller animals they prey upon will overpopulate the forests.

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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