这类小型恐龙最早出现的时代为晚侏罗世晚期，早白垩世是其繁盛时期。
如果你吻一个女人，你的心跳达到30，那肯定是恐龙。
讲师甲说这是一块树木化石，讲师乙坚持是一根恐龙腿骨，双方争论不已。
其中多个盆地发现恐龙蛋，某些盆地不仅数量丰富，且类型多种多样。
1·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·The 'Dinosaur-trees-down' hypothesis, which combines the dinosaurian origin of birds and the arboreal hypothesis of avian flight, is thus well collaborated.
“恐龙下树”的假说结合了鸟类起源于恐龙的学说和鸟类飞行的树栖起源学说，因此也得到了化石证据的支持。
4·The discoveries of feathered dinosaurs have provided some of the most significant evidence supporting the dinosaurian origin of birds from China.
特别是近年来在中国带羽毛恐龙的发现，对于鸟类的恐龙起源假说提供了很多有意义的证据。
5·It was called the Ruyang Gigantic Sauropod Dinosaurian Fauna by L et al… It represents a new late Early Cretaceous to early Late Cretaceous dinosaurian fauna from China.
该动物群代表了我国早白垩世晚期至晚白垩早期的恐龙动物群，其分异程度也比以前想象的高得多。