This bird is easily recognized from its size and the unusual shape of its tail.
通过体形的大小和形状特别的尾巴，可以容易地认出这是只什么鸟。
It is characterized by its high hardness, good toughness and shape in size.
它具有硬度高，韧性大，颗粒锋锐等特点。
It is characterized by its high hardness, good toughness and shape in size.
它具有硬度高，韧性大，颗粒锋锐等特点。
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