1·Prehistoric humans never threw spears at Tyrannosaurus rex but really did hunt mammoths and mastodons.
史前人类从未向雷克斯暴龙扔过长矛，但确实猎杀过猛犸象和乳齿象。
2·Horner, a paleontologist at Montana State University, suspects the remains of Nanotyrranus may belong to a young Tyrannosaurus rex.
蒙大拿州立大学的古生物学家霍纳怀疑那些短暴龙的遗骸可能属于一只年轻的雷克斯霸王龙。
3·The discovery in China of what amounts to a miniature prototype of Tyrannosaurus rex calls into question theories about the dinosaur's evolution.
在中国发现的相当于小型雷克斯霸王龙原型的东西，对有关恐龙进化的理论提出了质疑。
4·Rex Tillerson has maintained the company's stable development and made the company extremely profitable.
雷克斯·蒂勒森却保持了公司的稳定发展，并且使公司获得了超高的利润。
5·Rex Tillerson has maintained the company's stable development and made the company extremely profitable.
雷克斯·蒂勒森却保持了公司的稳定发展，并且使公司获得了超高的利润。