at hatching,young prairie falcons are covered with a fine white down.3854 这里 a fine white down

题目

at hatching,young prairie falcons are covered with a fine white down.3854 这里 a fine white down

答案

猎鹰队刚生下的时身上一层白色的羽毛.
"fine" 是说这种羽毛很细,很薄,像丝绸是的
"down" 是一种羽毛,可以用来做蒸透和被子.fine 和 white 两个都形容 “down”