pathway
/ˈpɑːθweɪ/noun
1- a way that constitutes or serves as a path小路, 小径。
1.1
- Physiology a route, formed by a chain of nerve cells, along which impulses of a particular kind usually travel【生理】路径。
1.2
- （亦作metabolic pathway）Biochemistry a sequence of chemical reactions undergone by a compound or class of compounds in a living organism【生化】途径。