英语听力：2013-06-28 《恐龙的战争》3 顽强防御—6
时间：2019-01-23 作者：英语课 分类：探索与发现2013年
英语课
… solid armor and dangerous weapons all deliver the power to stand up to huge predators 2.
But in the world of Cretaceous, other defenders 3 come equipped with tools not only to survive an attack but to defeat an opponent. Ankylosaurus is a herbivore designed to kill.
Hell Creek 4, Montana. 68 million years ago. Prehistoric 5 plant eaters live every day with a target on their back. To avoid becoming dinner, they rely on specialized 6 evolutionary 7 adaptations, internal armor, advanced designs, and armaments tougher than anything found on animals today.
These are animals that have defenses.
Herbivores do seem to be marvels 8 of engineering.
Very dangerous, heavily armed, heavily armored targets.
A Triceratops can hold its own against almost any predator 1. With three horns and a bony shield, even a T-Rex keeps its distance. An Ankylosaurus is completely different. It may be a herbivore, but it has the tools to stop an attacker dead in its tracks.
Ankylosaurus was a walking tank—a massively armed and armored animal.
Nine meters long and weighing four tons, Ankylosaurus’s home is the American West.
Interesting thing about Ankylosaurus which makes them kind of cool is that their pelvises have been modified so it’s very broad. They have an enormous gut 9 and they were probably engaging in what’s called fermentation digestion 10 and we see in their uh… like cows and horses and what not in. They use bacteria to break down the soilous material.
n.捕食其它动物的动物；捕食者
- 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。
n.食肉动物( predator的名词复数 )；奴役他人者（尤指在财务或性关系方面）
- birds and their earthbound predators 鸟和地面上捕食它们的动物
- The eyes of predators are highly sensitive to the slightest movement. 捕食性动物的眼睛能感觉到最细小的动静。 来自《简明英汉词典》
n.防御者( defender的名词复数 )；守卫者；保护者；辩护者
- The defenders were outnumbered and had to give in. 抵抗者寡不敌众，只能投降。 来自《简明英汉词典》
- After hard fighting,the defenders were still masters of the city. 守军经过奋战仍然控制着城市。 来自《简明英汉词典》
n.小溪，小河，小湾
- He sprang through the creek.他跳过小河。
- People sunbathe in the nude on the rocks above the creek.人们在露出小溪的岩石上裸体晒日光浴。
adj.（有记载的）历史以前的，史前的，古老的
- They have found prehistoric remains.他们发现了史前遗迹。
- It was rather like an exhibition of prehistoric electronic equipment.这儿倒像是在展览古老的电子设备。
adj.专门的，专业化的
- 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。
adj.进化的；演化的，演变的；[生]进化论的
- Life has its own evolutionary process.生命有其自身的进化过程。
- These are fascinating questions to be resolved by the evolutionary studies of plants.这些十分吸引人的问题将在研究植物进化过程中得以解决。
n.奇迹( marvel的名词复数 )；令人惊奇的事物（或事例）；不平凡的成果；成就v.惊奇，对…感到惊奇( marvel的第三人称单数 )
- The doctor's treatment has worked marvels : the patient has recovered completely. 该医生妙手回春，病人已完全康复。 来自辞典例句
- Nevertheless he revels in a catalogue of marvels. 可他还是兴致勃勃地罗列了一堆怪诞不经的事物。 来自辞典例句
n.[pl.]胆量；内脏；adj.本能的；vt.取出内脏
- It is not always necessary to gut the fish prior to freezing.冷冻鱼之前并不总是需要先把内脏掏空。
- My immediate gut feeling was to refuse.我本能的直接反应是拒绝。