flight feather
US /ˈflaɪt ˌfeð.ər/
UK /ˈflaɪt ˌfeð.ər/
1.
飛羽, 翼羽
one of the large, stiff, and asymmetrical feathers on the wing or tail of a bird, essential for flight
:
•
The eagle soared high, its powerful wings propelled by strong flight feathers.
老鷹高高翱翔，其強勁的翅膀由堅固的飛羽推動。
•
Scientists study the structure of flight feathers to understand avian aerodynamics.
科學家研究飛羽的結構以了解鳥類空氣動力學。