初中同学:Junior high school classmates
小学同学:Primary school classmates
拓展词汇
小学:primary school; elementary school; junior school; grade school.
初中:junior high school;junior middle school.
例句
过了这麽多年,他都已经忘掉了很多小学同学。 After so many years, he has forgotten most of his primary schoolmates.
为了证明我的猜想,我和一名初中同学找到生物老师。 To prove my guess, and I find a junior high school students biology teacher.