That is why the smallest of the herbivores, Thomson's gazelle, lives on fruit that is very nutritious but too thin on the ground to support a larger animal.

那就解释了为什么最小型的食草动物，汤普森瞪羚，能以水果为食；虽然水果非常有营养，但是在地面上太稀少，不足以维持体型更大的动物生存。