But personage inside story thinks, this coverts namely actually leave one's post.

但有知情人士认为，这实际上就是变相离职。

First warbler Yellow-browed, the dark bases to the secondaries and black-centred greater coverts leave few other options.

第一只是黄眉柳莺，次级飞羽暗色的基部及以黑色为中心的大覆羽留下的选择很少。

In research funded by the European Union, Alessandro Bottaro of the University of Genoa in Italy has devised small keratin bristles that mimic the smallest type of bird feathers, known as coverts.

欧盟资助的一项研究中，意大利热那亚大学的亚历山德罗•波塔罗设计出一种微小型角质蛋白刷毛，他仿照了鸟身上叫做覆羽那种最小的羽毛。

The denser nocturnal vapours, attacked by the warm beams, were dividing and shrinking into isolated fleeces within hollows and coverts, where they waited till they should be dried away to nothing.

夜间产生的浓厚的雾气，在温暖阳光的照射下，正在分散开来，缩小成一堆一簇的雾团，掩藏在洼地里，树林中，它们就聚集在那儿，直到最后消失得一干二净。

During courtship the crested male common peacock displays his elongated upper tail coverts-a magnificent green and gold erectile train adorned with blue-green eyes-before the duller-plumaged peahen.

当求爱时期，有冠毛的普通雄性孔雀会拉长上部隐蔽的羽毛——一种竖立的华丽绿色和金色羽毛与蓝绿色的眼睛结交——站在羽毛色泽呆滞的雌孔雀面前。