his eyes stare at what is left of the brothers's dinner on the table.这是个什么从句?有什么语法,都说出来

what is left of the brothers's dinner on the table 这是what 引出的宾语从句stare at 盯,凝视She raised her eyes and stared at me.她抬起眼来盯着我.The little child stared at the toys in the shop-window....