生态学家对磷循环进行了大量研究，因为如我所说，磷是一种重要而不充足的营养物质。

The Phosphorus cycle has been studied a lot by ecologists because like I said, Phosphorus is an important nutrient and it's not so abundant.

youdao

食草恐龙的主要食物可能是马尾草，这是一种类似于蕨类的植物，在史前的沼泽地带大量存在，营养丰富。

A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious.

youdao

事实上，野兔在它找到的小树枝里有大量的食物。

The hare actually has abundant food in the small twigs it finds.

youdao

What I want you to remember now is that abundant cell proliferation takes place during development.

这节课我希望你能记住,发育过程中伴有大量的细胞增殖过程

耶鲁公开课 - 生物医学工程探索课程节选