求下列句子的意思和汉语答案!

问题描述:

求下列句子的意思和汉语答案!
Two students are sitting on opposite sides of the same desk.There's nothing between them but the desk.why can't they see each other?

两个学生坐在同一张桌子的两侧,他们之间没有任何东西,为什么他们看不到彼此呢?
答案是他们背靠背坐着They face each other back to back