All these cells come from the bone marrow and biologists have traced the formation of these cells in great detail.

所有这些细胞都来自骨髓,而生物学家已经很详细地,研究了这些细胞的形成过程

耶鲁公开课 - 生物医学工程探索课程节选

Through many decades of study, biologists have teased out certain populations of cells within the bone marrow that are capable of reproducing subsets of cells.

经过数十年的研究,生物学家们在骨髓中发现了,一些细胞群,它们能够生成细胞亚群

耶鲁公开课 - 生物医学工程探索课程节选

Well, let's see, a biologist might study, or a zoologist might study, cats.

比如说,生物学家,或者动物学家可能会研究猫

耶鲁公开课 - 死亡课程节选

It's the sort of thing that we can put on a scale and prod with a stick and the biologists can study, presumably made up of various kinds of molecules, atoms and so forth. So we've got the body.

这是一种我们可以称重,可被棍打,可被生物学家研究的东西,想必是由不计其数的分子,原子等构成,于是我们有了肉体

耶鲁公开课 - 死亡课程节选