同班同学英文怎么说怎么写

“同班同学”英语为"classmate"，来源是由"class"（班级）和"mate"（同伴）两个词组合而成。

例句:

John is my classmate. (John是我的同班同学。)
We have many activities with our classmates. (我们和同班同学有很多活动。)
I studied with my classmates for the final exam. (我和同班同学一起为期末考试学习。)