Through comparing fossilized dinosaur teeth and bones to those of reptiles living today , we 've been able to broadly categorize the diets of different kinds of dinosaurs .
尽管将石化的恐龙牙齿和骨骼同现有爬行动物的相比,我们也只能大体上归类出不同种类恐龙的膳食。
In the book , margaret smith , a physical sciences librarian at new york university , describes how paleontologists sometimes analyze coprolites , or fossilized dinosaur feces , to determine a dinosaur 's last meal .
A man with fossilized concept cannot make any innovations .
一个思想僵硬的人不具备任何创造能力。
Obsolete fossilized ways ; an ossified bureaucratic system .
陈腐、僵化的方式;顽固守旧的官僚机构。
Any older and it would be black and fossilized .
如果是旧的会发黑变质。
Yet despite the new grandeur and skill brought to ballet during the imperial russian age , it was also a time when , after the romantic liberation , ballet became fossilized .