趣味谜语Its body is square.It sieeps on the desk every day.It kn
趣味谜语
Its body is square.
It sieeps on the desk every day.
It knows many things but can't say to you.
A lazy person does not touch it.
A diligent person always has it in his hand.
Can you guess?What's this?
这是一个谜语,这个谜语把我的头都弄大了,