双语例句
- Usually there is a distinct contrast between the black primaries and brown coverts, still evident at middle distances.
长尾水剃通常在黑色的初级飞羽与棕色的覆羽之间有著明显的对比，在中距离的时候仍是可见的。 - Its tail is long and black with gray uppertail coverts and orange brown undertail coverts.
尾羽修长黑色，尾上覆羽灰色，尾下覆羽橙褐色。
权威例句
Loafing Coverts Used by Northern Bobwhites in Subtropical EnvironmentsPostponed moult of primary coverts untangles the ageing of Wrynecks Jynx torquillaThe Reversed Under Wing-Coverts of Birds and their. Modifications, as exemplified in the Birds of West AfricaTattletails: how to tell the sex and age of Purple Martins by their undertail covertsVariation in the Extent of Greater Wing Coverts Moult in Robins (Erithacus rubecula) Migranting in Autumn Through the Polish Baltic ...Age determination in the Bull-headed Shrike Lanius bucephalus based on buff-tips of greater primary covertsA new insight into the ageing of Common Snipe Gallinago gallinago â the value of contrast within the wing coverts of adultsSize of black patches and spots on the upperwing and underwing greater secondary coverts in selected feathers are not good indicator...Structure and mechanical properties of naturally occurring lightweight foam-filled cylinder – The peacock’s tail coverts shaft and...System including multiple device communications controller which coverts data received from two different customer transaction devic...
