What has roots as nobody sees,It is taller than trees,Up,up it goes.And yet never grows?It is这是个英语谜语猜出谜底,并把谜语翻译成中文!后天之前就要了,

What has roots as nobody sees,It is taller than trees,Up,up it goes.And yet never grows?It is
这是个英语谜语
猜出谜底,并把谜语翻译成中文!
后天之前就要了,

什么东西有根却没人看见,它比树长得高,并且不断增高.它是?
-----A mountain.(山)

shadow？