不过他质疑道，这远远没有达到“新发现就可反驳‘郑氏晓廷鸟’是第一只鸟”的猜想的地步。
But he argues that it is far from certain that the new finding dethrones its claim to be the first bird.
有很多很多的特征证明着‘郑氏晓廷鸟’和‘始祖鸟’只是一种叫做恐爪龙类的恐龙的种类，而不是鸟。
There are many, many features that suggest that Xiaotingia and Archaeopteryx are a type of dinosaur called Deinonychosaurs rather than birds.
已经被知晓的这只“郑氏晓廷鸟”的发现被登上了《自然》杂志。
The discovery of Xiaotingia, as it is known, is reported in Nature magazine.
有很多很多的特征证明着‘郑氏晓廷鸟’和‘始祖鸟’只是一种叫做恐爪龙类的恐龙的种类，而不是鸟。
There are many, many features that suggest that Xiaotingia andArchaeopteryx are a type of dinosaur called Deinonychosaurs rather than birds.
新的化石，像‘郑氏晓廷鸟’，能让百分百地肯定确切的亲缘关系形式变得更加困难。
New fossils like Xiaotingia can make it harder to be 100% sure of the exact pattern of relationships.
他的团队已经把对一个相似的物种“郑氏晓廷鸟”的发现作了细节化处理。“郑氏晓廷鸟”的出现要追溯到1亿5500千万年前的侏罗纪时期。
His team has detailed the discovery of a similar species, Xiaotingia, which dates back 155 million years to the Jurassic Period.
他的团队已经把对一个相似的物种“郑氏晓廷鸟”的发现作了细节化处理。“郑氏晓廷鸟”的出现要追溯到1亿5500千万年前的侏罗纪时期。
His team has detailed the discovery of a similar species, Xiaotingia, which dates back 155 million years to the Jurassic Period.
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