汉画像石中有许多鸟形人，反映了早期的鸟图腾。
Man similar in form of bird in Han Dynasty stone portraits was reflex of the Bird-worship.
这种反对是合理的，因为只有早期的兽脚亚目食肉恐龙的锁骨才被发现，但是现在已经发掘出了类似始祖鸟的叉骨的兽脚亚目食肉恐龙锁骨化石。
This objection was reasonable when only early theropod clavicles had been discovered, but fossilized theropod clavicles that look just like the wishbone of Archaeopteryx have now been unearthed.
他用许多0和1来表示最早期时生命的化学成分(很可能是由腺嘌呤、胸腺嘧啶、鸟嘌呤、胞嘧啶和尿嘧啶组成的化合物)。
He USES zeroes and ones to represent the very first chemical building blocks of life (most likely compounds based on adenine, thymine, guanine, cytosine or uracil).
可能‘始祖鸟’不在鸟类的直系血缘上，但它从某些程度上说是早期实验如何构建像鸟一样的身躯的一部分。
Maybe Archaeopteryx wasn't on the direct ancestral line to birds, but was part of an early experimentation in how to build a bird-like body.
在犹他州和阿拉斯加州还发现了另一种鸟的“足迹”化石，但都无法追溯到白垩纪早期——恐龙时代的鼎盛时期。
Other bird "trace" fossils have been found in Utah and Alaska, but none from so far back as the early Cretaceous -- at the height of the age of dinosaurs.
曼蒂：许多早期的中国文明认为他们是鸟的后裔。
Maddie: Many early Chinese cultures believed they were descended from birds.
曼蒂：许多早期的中国文明认为他们是鸟的后裔。
Maddie: Many early Chinese cultures believed they were descended from birds.
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