求翻译：其巢筑在高高的树洞内；2～4枚光滑白蛋即堆于未衬里的穴中，大约16天孵化；孵出的雏鸟全身赤裸，至少须经3个星期才能睁眼，孵后约45天开始过自己的生活。　是什么意思？

正在翻译，请等待...

its nest at the top of the leaf axils; 2~ 4 Smooth white eggs that is not lined up in the rocks in about 16 days, hatching; old chicks naked bird, at least 3 weeks to be subject to the open eyes after both sides, about 45 days before starting their own lives.

Its nest builds in the high tree hole; 2~4 smooth Bai Danji piles in not the lining hole, about 16 days hatching; Hatches the fledgling whole body is naked, must pass through at least for 3 weeks to be able to open eyes, after hatches 45 days to start own life approximately.

Its nest built in tall trees cave; 2~4 smooth white eggs is heap are not lined hole, approximately 16 days incubation; hatched chicks naked, shall be subject to at least 3 weeks to open your eyes, about 45 days after hatching began to live her own life.

正在翻译，请等待...