a part of sth that is separate from the other parts or can be considered separately 部分；份；片；段
She cleaned a small segment of the painting.
她擦干净了这幅画的一小部分。
Lines divided the area into segments.
这一地区用线条分成了若干部分。
verb
[often passive] ~ sth(specialist) to divide sth into different parts 分割；划分
Market researchers often segment the population on the basis of age and social class.
市场研究人员常常按年龄和社会阶层划分人口。
The worm has a segmented body (= with different sections joined together).
这条虫子的身体是分节的。