Maddie: Well, no one's sure. It seems to be a mix between many different animals, but no one's sure why it shows up so much.

曼蒂：这个嘛，没有人能确定。似乎是许多不同动物的混合，但是没有人知道为什么它那么经常出现。

youdao

There are many different types of animals.

有许多不同类型的动物。

youdao

The land was wet and forested, and made a home for birds, other animals and many different plants.

这片土地很潮湿，森林丛生，为鸟类、其他动物和许多不同的植物提供了家园。

youdao

These parks include huge colored rock formations, rivers,waterfalls,beautiful trees, other plants and many different kinds of wild animals.

VOA: special.2009.04.15

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