我猜要到他们的羽毛和翅膀完全长成，他们就不需要总是靠父母照顾了。
I duppose when their feathers and wings are fully grown , and they don ’ t need the constant care of their parents .
这段时间对它们来说很辛苦，可是等它们的羽毛长成后，它们就可以展现它们的新羽毛了，看起来光彩耀人！
It is a hard time for them, but when they are done, they get to show off their new feathers and look good!
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