n.羽毛初长的雏鸟,刚会飞的幼鸟,无经验的人
v.(鸟)长羽毛( fledge的现在分词 ),给(箭)装上羽毛,把(小鸟)养到能够飞翔,用羽毛[绒羽]装饰
Such a steep descent in an airplane would have blacked out a fledging.
飞机作这样的急速下降本来是会使缺乏飞行经验的人眼前发黑的.