For 150 years, a species called Archaeopteryx has been regarded as the first true bird, representing a major evolutionary step away from dinosaurs.

150年来，一个物种叫“始祖鸟”已经被当作是第一只真正的鸟，代表着从恐龙进化后的一大步。

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For 150 years, a species called Archaeopteryx has been regarded as the first true bird, representing a major evolutionary step away from dinosaurs.

150年来，一个物种叫“始祖鸟”已经被当作是第一只真正的鸟，代表着从恐龙进化后的一大步。

youdao