As your uncle, I have always tried not to interfere in your affairs and I don't intend to begin now.
作为你的叔叔,我尽量避免干涉你的事情,我现在也不打算这样做。
but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies,
在空中十分自如,可以飞行6,000英里,可以飞往北方做窝的老家,再从老家飞回;一边飞一边喂养会飞的雏燕,甚至在顶风时也能在气流中滑翔,似乎气流在帮它前进。