Why do birds migrate every year?
为什么鸟类每年都迁徙?
I'm asking you to tell me.
我请求你告诉我。
How do they know where to go?
它们怎么知道去哪里?
It's a mystery!
这是个谜题!
Why does time fly when we're having fun, but slow down when there's not much to do?
为什么当我们玩得开心时,时间都过得飞快,而当我们无事可做时,时间却慢了下来?
Is there an explanation, or is it a mystery, too?
这能有一个解释,还是也是一个谜?
Why do I turn red when everyone's looking at me?
为什么所有人都看着我的时候我的脸会变红?
There may be an explanation, but to me it's a mystery!
也许有一个解释,但对我来说是个谜!
Why do we sometimes find mushrooms growing on a tree?
为什么我们有时会发现蘑菇长在树上?
There might be a very good reason, but I think it's a mystery!
可能有一个很好的理由,但我认为这是一个谜!
What makes the northern lights appear and shine over the sea?
是什么使北极光出现并照耀在海上?
I asked someone to tell me, but it's still a mystery!
我请求别人告诉我,但这仍然是个谜!