Theropoda is one of the main groups in dinosaurs. The number of their fossils is small,but they were very diverse.
兽脚类是恐龙当中的主要代表类群之一,其化石保存数量少,分异度大,一直是古生物学家研究的热点和难点之一。
参考来源 - 吉林公主岭早白垩世泉头组中的兽脚类恐龙牙齿化石·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT Dinosaurs were large reptiles which lived in prehistoric times. 恐龙
N-COUNT If you refer to an organization as a dinosaur, you mean that it is large, inefficient, and out of date. 庞大、低效且落后的机构 [表不满]
...industrial dinosaurs.
…庞大臃肿的工业企业。
Some dinosaurs had only rudimentary teeth.
有些恐龙只有未充分长成的牙齿。
The mania for dinosaurs began in the late 1800s.
恐龙热兴起于19世纪晚期。
Eighty million years ago, dinosaurs ruled the earth.
八千万年前,地球是恐龙的天下。
The two scientists have concluded from fossil records that giant meat-eating dinosaurs like the Tyrannosaurus rex mainly ate young dinosaurs.
VOA: special.2009.09.01
Most companies in the world today spend about 70 % of their IT dollars on what I call feeding the dinosaurs, just maintaining the old systems.
当今世界,大部分公司70%的信息技术成本,都用于喂饱恐龙了,也就是,维持旧的体系。
I don't see dinosaurs, but of course they leave traces behind in fossils.
我没见过恐龙,但是无疑的,他们留下了化石这样的痕迹。
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