英语词汇“alula”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

alula

/ˈaljʊlə

noun (plural alulae /ˈaljʊliː/)

Technical term for bastard wing.Although the alula is absent, the third finger probably had the same function in controlling separation of the upper surface airflow....

Yearlings in the study were identified in the hand by the olivegreen (rather than blue) edges of their alulae and primary coverts.
It has pure white body feathers except for the black alulae, primary techrices and primary remiges.

Origin

Late 18th century: modern Latin, literally 'small wing', diminutive of ala.

单词	alula
释义	alula /ˈaljʊlə / noun (plural alulae /ˈaljʊliː/) Technical term for bastard wing.Although the alula is absent, the third finger probably had the same function in controlling separation of the upper surface airflow.... Yearlings in the study were identified in the hand by the olivegreen (rather than blue) edges of their alulae and primary coverts. It has pure white body feathers except for the black alulae, primary techrices and primary remiges. Origin Late 18th century: modern Latin, literally 'small wing', diminutive of ala.
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