n. crow-quill
乌鸦的羽毛是什么颜色的？
这是她见过的最大的一只乌鸦，它丰满而且光滑，黑色的羽毛闪烁着彩虹般的光芒。
It was the biggest crow she had ever seen, plump and sleek, with rainbows shining in its black feathers.
红嘴山鸦东半球的一种似乌鸦的山鸦属鸟类，有黑色羽毛和红色的腿部。
A crowlike Old World bird of the genus Pyrrhocorax has black plumage and red legs.
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