A diplodocus dinosaur skeleton watches the entrance .

博物馆入口摆放着一座梁龙（diplodocus）骨架。

Sauropods like brachiosaurus and diplodocus were the biggest beasts to ever roam the earth .

像腕龙和梁龙这样的蜥脚类动物曾是体型冠绝地球的野兽。

The diplodocus is the longest dinosaur that was ever found !

梁龙是人们发现的最长的恐龙了！

Gary packard of colorado state university and his colleagues do not deny that creatures like apatosaurus , brachiosaurus and diplodocus were big-and bigger than any terrestrial mammal .

科罗拉多州立大学加利帕卡德和他的同事并不否认雷龙、腕龙和梁龙是巨型动物，并且认同它们大于任何陆地哺乳动物。

But if feathers truly are the diagnostic criterion , then perhaps things should be the other way round , and stegosaurus , triceratops , diplodocus , tyrannosaurus and their kin should no longer be thought of as terrible lizards , but as overweight , flightless birds .

但是如果将羽毛作为评判的标准，那么也许事情应该是另一个样子：剑龙、三龙、梁龙，暴龙和他们的亲戚不应该再被想像成可怕的蜥蜴，而是被当做超重而无法飞行的鸟。