n.
the extended spatial location of something
"the farming regions of France"; "regions of outer space"
同义词：part
a part of an animal that has a special function or is supplied by a given artery or nerve
"in the abdominal region"
同义词：area
a large indefinite location on the surface of the Earth
"penguins inhabit the polar regions"
the approximate amount of something (usually used prepositionally as in `in the region of')
"it was going to take in the region of two or three months to finish the job"
同义词：neighborhood
a knowledge domain that you are interested in or are communicating about
"here we enter the region of opinion"
同义词：domainrealm
