2N-COUNT [usually with supplement](尤指为了进行统计而被看作一个整体的)一群人 A cohort of people is a group who have something in common. Cohort is used especially when a group is being looked at as a whole for statistical purposes. (尤指为了进行统计而被看作一个整体的)一群人
Tests were carried out by teachers on the entire cohort of eight to nine year-olds in their third year at primary school.
测试是由老师在小学三年级所有八岁到九岁的学生中进行的。
She speaks for a whole cohort of young Japanese writers.