“rectrix”的概念、定义、翻译、参考文献-科学参考

单词	rectrix
释义	rectrix [`rek·triks] ^{VERTEBRATE ZOOLOGY} One of the stiff tail feathers used by birds to control direction of flight.
随便看	alpha taxonomy alpha test alpha test site alphatopic alphatron Alpheidae Alphonsus Alpides alpine alpine glacier Alpine orogeny alpine tundra alpine-type facies alpinotype tectonics alsbachite alsifilm alstonite alt Altaid orogeny Altair altaite Altar altazimuth altazimuth mounting altazimuth telescope

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