一只鸟在学校后边的树上唱歌的翻译：A bird singing in the school behind the tree 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

A bird singing in the trees behind the school

A bird singing in the school behind the tree

On a bird's sings behind school tree

A bird singing in the school just behind the tree

A bird singing in the school behind the tree