问题描述：
猜谜语What is it?______
It hasn't got a mouth,but can whistle.
it hasn't got any muscles,but it's ver strong.
it hasn't got any legs,but it can move fast.
You can't see it,but you can feel it.
It hasn't got a mouth,but can whistle.
it hasn't got any muscles,but it's ver strong.
it hasn't got any legs,but it can move fast.
You can't see it,but you can feel it.
问题解答：
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