1.Local folklore has it that prehistoric men drove cattle over these cliffs.

1.当地民间传说中称，史前人类从这些悬崖上驱赶下去。

2.The intact carcass of the prehistoric animal was prevented from putrefying by the arctic cold.

2.史前时期动物的完整尸体，是于北极严寒的保护不致腐烂。

3.They have found prehistoric remains.

3.他们发现了史前遗迹。

4.With its leathery skin, long tail, short legs, and needle-like teeth, the Nothosaur resembled a prehistoric crocodile.

4.幻有皮革状的皮肤，长长的尾巴，短的腿和针状的牙齿，类似于史前的鳄鱼。