纪录片《地球劫难日》 第03期 丽齿兽

In any one locality, you'd find 50 or 60 different species of reptiles¹ living side by side

二叠纪随处可见五六十种和睦相处的爬行动物，

specialized² on different diets, different habitats and so on.

它们对食物各有偏好，而且有着不同的习性。

This is the skull³ of dicynodon.

这是二齿兽的头骨。

It's sitting with the top of the skull, just here coming down to the snout.

这里是头骨顶部，下面这里是颌部。

This is a tortoise-like beak⁴ that sits under here.

它有一个龟嘴一样的吻，就在这下面。

Dicynodon was a hippo-sized plant eater.

二齿兽是一种河马般大小的植食动物。

Filled the niche⁵ of the cow in a modern day pasture except these would live in herds⁶ and roam around the Permian flood plains.

像现代草原上的牛群一样布满整个地方，成群结队地在二叠纪洪漫平原上漫步。

Its principle predator⁷ was dinogorgon, the king of the Permian jungle.

它们的主要天敌是丽齿兽，二叠纪的丛林之王。

These were real terrors. The first time the world had ever seen such top carnivores as they're called.

它们真的很可怕。是世界上首次出现的凶猛食肉动物。

They had sabre teeth this sort of length, and just like the famous sabre tooth cats of much later.

它们长着剑齿，能长到这么长，就像很久以后出现的著名的剑齿虎一样。

They would leap on the backs of these hippopotamus-sized plant, just piercing through their thick skin tearing the flesh.

它们会跳到这些河马一样大的植食动物的背上，划开厚厚的皮肤，撕扯里面的肉。

1 reptiles   

n.爬行动物，爬虫( reptile的名词复数 )

参考例句：

• Snakes and crocodiles are both reptiles. 蛇和鳄鱼都是爬行动物。 来自《简明英汉词典》
• Birds, reptiles and insects come from eggs. 鸟类、爬虫及昆虫是卵生的。 来自《现代汉英综合大词典》

2 specialized   

adj.专门的，专业化的

参考例句：

• There are many specialized agencies in the United Nations.联合国有许多专门机构。
• These tools are very specialized.这些是专用工具。

3 skull   

n.头骨；颅骨

参考例句：

• The skull bones fuse between the ages of fifteen and twenty-five.头骨在15至25岁之间长合。
• He fell out of the window and cracked his skull.他从窗子摔了出去，跌裂了颅骨。

4 beak   

n.鸟嘴，茶壶嘴，钩形鼻

参考例句：

• The bird had a worm in its beak.鸟儿嘴里叼着一条虫。
• This bird employs its beak as a weapon.这种鸟用嘴作武器。

5 niche   

n.壁龛；合适的职务(环境、位置等)

参考例句：

• Madeleine placed it carefully in the rocky niche. 玛德琳小心翼翼地把它放在岩石壁龛里。
• The really talented among women would always make their own niche.妇女中真正有才能的人总是各得其所。

6 herds   

兽群( herd的名词复数 )； 牧群； 人群； 群众

参考例句：

• Regularly at daybreak they drive their herds to the pasture. 每天天一亮他们就把牲畜赶到草场上去。
• There we saw herds of cows grazing on the pasture. 我们在那里看到一群群的牛在草地上吃草。

7 predator   

n.捕食其它动物的动物；捕食者

参考例句：

• The final part of this chapter was devoted to a brief summary of predator species.本章最后部分简要总结了食肉动物。
• Komodo dragon is the largest living lizard and a fearsome predator.科摩多龙是目前存在的最大蜥蜴，它是一种令人恐惧的捕食性动物。