彩虹小学 (Rainbow Primary School) in Engpsh is pronounced as "rayn-boh primary skool".
关于它的来源：彩虹小学是一个普遍使用的英语称呼，通常用来指代一所小学。"Rainbow" 这个词源于英语，意思是彩虹，代表着希望、美好、多彩的未来。
下面是一些例句：
I went to Rainbow Primary School when I was a kid.
(我小时候就读的是彩虹小学)
My son is a student at Rainbow Primary School.
(我儿子是彩虹小学的学生)
I had a great time at Rainbow Primary School.
(我在彩虹小学度过了美好的时光)