Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.
同时，所有的照片都看不到『悬挂起来』的
或大覆，通常秃鼻鸦会有这个特徵。
Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.
同时，所有的照片都看不到『悬挂起来』的或大覆，通常秃鼻鸦会有这个特徵。
The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.
这个组还注意到，根附近铰接的副，被称为的，对成直角配置，它可能被用来作为空气流量控制装置。
声明：
句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
