周同学用英语怎么说

周同学在英语中可以译为“Classmate Zhou”或者“Zhou, my classmate”。具体使用哪种翻译取决于语境和表达目的。
造句
1、Classmate Zhou is always willing to help his classmates with their homework. （周同学总是乐于帮助他的同学完成作业。）
2、I have known Classmate Zhou since we were in kindergarten together. （我和周同学从幼儿园时就认识了。）
3、Classmate Zhou gave an excellent presentation on the history of China during our social studies class. （在社会学课上，周同学做了一份关于中国历史的精彩演讲。）