On the other hand, Confuciusornis, which possessed the first beak and earliest pygostyle, or fused tail vertebrae that supported feathers, truly looks like a bird.

而另一方面，首先出现喙形结构和最早尾综骨(用于支持羽毛的融合尾椎骨)的孔子鸟与现代鸟类之间几乎不存在什么不一样的地方。

youdao

Ranging from one inch to five, the gene that normally stops vertebrae elongation is decreased and the human tail remains at birth.

尾骨的分布从1寸到5寸，正常情况下抑制尾骨延长的基因已经减少，而人类的尾巴停留在出生时的长度。

youdao

So far a portion of the skull and jaw, both hands and arms, elements of both feet, a piece of the tail, vertebrae and ribs have been discovered.

BBC: News | Sci/Tech | New dinosaur discovered in England