一些是小型食肉恐龙——正如庄姆海勒与博依德所确认的鳄鱼目动物那样，这些恐龙会截杀年幼离群的食草恐龙。
Some were small carnivorous dinosaurs-the sort that might pick off young stragglers in the way that the crocodilians identified by Ms Drumheller and Mr Boyd did.
人是社会的动物，不能离群而索居。
People are social creatures who cannot live in total isolation.
人是社会的动物，不能离群而索居。
People are social creatures who cannot live in total isolation.
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