hi3 Whereas Hi3, I just created, it happens to live in this directory but my computer doesn't know that so you do dot slash which says current directory.

至于我刚刚创建的,它正好位于我电脑不知道的位置,所以你必须敲入，/，这代表当前目录。

哈佛公开课 - 计算机科学课程节选

Cells that are within the region that becomes the nervous system become less like the zygote and more like the cells of our brain, neurons and glia, and cells of the mature brain.

位于神经发育区中的细胞,变得越来越不像受精卵,而像脑细胞,神经细胞或神经胶质细胞等等,这些成熟的脑组织中细胞

耶鲁公开课 - 生物医学工程探索课程节选