there is a ball under the desk. these is a cat on the什么意思?

there is a ball under the desk. these is a cat on the什么意思?
there is a ball under the desk. these is a cat on the什么意思?

there is a ball under the desk. these is a cat on the什么意思?
课桌下有一个球,球上面有一只猫.
你给的句子不全 我猜可能是这样.