/ˈkəʊhɔːt/
(specialist) a group of people who share a common feature or aspect of behaviour （有共同特点或举止类同的）一群人，一批人
the 1999 birth cohort (= all those born in 1999)
1999 年出生的同龄人口
/ˈkəʊhɔːt/
(specialist) a group of people who share a common feature or aspect of behaviour （有共同特点或举止类同的）一群人，一批人
the 1999 birth cohort (= all those born in 1999)
1999 年出生的同龄人口