But the lab instructor, a graduate student who stutters a little and
Dreams of the day when he will be an assistant professor, comes hovering
Down the row of tables, and I return to my microscope. I do not
Plan to become a biologist. Two sciences are required, and I regard with
detachment the sophomores' frogs' legs and sheep's livers.



I cantunderstand the bold section.

I do not plan to become a biologist. Two sciences are required [in order to fulfill the requirements of a biology major], and I regard [look at] with
detachment [disinterest, no interest] [in dissecting] sophomores' frogs' legs and sheeps' livers [because dissecting is usually done in Biology 102 sophomore year].