The third picture shows feathers that have just such a specialisation: coiling reminiscent of that seen in the feathers of modern divers.
第三张图显示的羽毛有这样一个特征，它卷曲的样子使我们想起了现代潜水鸟的羽毛。
The third picture shows feathers that have just such a specialisation: coiling reminiscent of that seen in the feathers of modern divers.
第三张图显示的羽毛有这样一个特征，它卷曲的样子使我们想起了现代潜水鸟的羽毛。
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