classmate
n. 同班同学
复数 classmates
例句
She felt like a fifth-grader who had snitched on a classmate.
她觉得自己就像个打同学小报告的小学五年级学生。
《柯林斯英汉双解大词典》
My classmate has many notebooks.
我同学有许多本子。
This is my classmate, Andy.
安迪,这是我同学。