Prof Lawrence Witmer from Ohio University has written a commentary on the finding.
来自俄亥俄州立大学的罗伦斯·威特莫尔教授已经为这个发现写好了解说词。
Witmer believes we're now "in a golden age of dinosaur biology, " with important discoveries on dinosaur physiology being made too.
韦特默相信，随着恐龙生理学不断取得重大发现，我们现在“正处在恐龙生物学的黄金时期”。
According to Prof Witmer, little is certain in trying to determine the earliest bird and new findings can rapidly change perspectives.
根据威特莫尔教授的话，尽力地去确定最早的鸟类还没有得到半点的确认，但新的发现能飞速地改变前景。
“I think the authors make quite a compelling case, ” said Dr. Witmer, of Ohio University, adding that the study decisively closes the case on whether the whiskers are feathers or collagen.
“我想研究者们做出了引人注目的成果，”来自俄亥俄大学的Witmer博士这样说，并且补充到，无论这种类似胡须的结构是羽毛或是胶原，研究成果都是相当适用。
“I think the authors make quite a compelling case, ” said Dr. Witmer, of Ohio University, adding that the study decisively closes the case on whether the whiskers are feathers or collagen.
“我想研究者们做出了引人注目的成果，”来自俄亥俄大学的Witmer博士这样说，并且补充到，无论这种类似胡须的结构是羽毛或是胶原，研究成果都是相当适用。
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