This experiment was conducted to study the effects of dietary protein levels on growth performance, serum biochemical indices and nitrogen metabolism of silver foxes.
本试验旨在研究不同蛋白质水平的饲粮对银黑狐生长性能、血清生化指标及氮代谢的影响。
At birth, red foxes are actually brown or gray. A new red coat usually grows in by the end of the first month, but some red foxes are golden, reddish-brown, silver, or even black.
在它们满月后新的红色的皮毛开始生长，但一些赤狐的皮毛呈金色，红褐色，银色甚至黑色。
He remembered those clear nights and the moon bright on the silver tails of the foxes.
他记起那些天晴的夜晚，以及照在狐狸银色尾巴上的明亮的月亮。
He remembered those clear nights and the moon bright on the silver tails of the foxes.
他记起那些天晴的夜晚，以及照在狐狸银色尾巴上的明亮的月亮。
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