[N-COUNT 可数名词]同班同学 Your classmates are students who are in the same class as you at school or college.
[oft poss N]
Oxford
class·mate/ˈklɑːsmeɪt; NAmEˈklæsmeɪt/nouna person who is or was in the same class as you at school or college 同班同学classmateclassmatesclass·mate/ˈklɑːsmeɪt; NAmEˈklæsmeɪt/