Hypotheses regarding dinosaurian and avian evolution are unusually diverse—and often at odds with one another.
关于恐龙和鸟类进化的假说有不同寻常的分歧，而且常常互相矛盾。
2
This confusion has been exacerbated by a paucity of serious attempts to synthesize and evaluate available data on the details of avian and dinosaurian evolution.
由于缺乏认真的尝试来综合和评估鸟类和恐龙进化细节的现有数据，这种混乱变得更加严重。
3
Instructor armour says this is a dendrolite, instructor second holds to is a dinosaurian shank, bilateral argument unceasingly.