Alula
01
(ornithology) a tuft of small, stiff feathers attached to the first digit of a bird's wing that helps control flight at low speeds
전문적인
문법 정보
예시들
The alula helps stabilize the bird during flight.
02
(entomology) a scalelike membranous structure between the base of a fly's wing and its halter
전문적인
예시들
The alula helps stabilize the fly during flight.



























