当我妈妈在做饭是我哥哥在唱歌的翻译：When my mother was cooking my brother singing 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

When my mother was cooking my brother in singing

When my mother was cooking my brother singing

When my mother is preparing food is my brother is singing

正在翻译，请等待...

When my mother was cooking my brother singing