在教室唱歌的女孩是我的妹妹的翻译：The girl singing in the classroom is my sister 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

Girl singing in the classroom is my sister

The girl singing in the classroom is my sister

The girl sings who in the classroom is my younger sister

The girls singing in the classroom is my sister

The girl singing in the classroom is my sister