纪录片《侏罗纪之谜》 第14期 恐龙的进化

When they looked further, there were clear signs that the fish had been killed by a volcanic¹ eruption²,

他们继续搜寻后发现，一些显著迹象表明这些鱼的确死于火山爆发

but then the evidence became more confusing.

可是后来的证据开始变得模棱两可

When Oliver's team looked on land they found nothing,

当Oliver的小组研究陆地状况时，他们一无所获

no sign of an extinction³ event affecting the dinosaurs⁵.

没有证据表明灭绝事件影响了恐龙

Whatever had killed the fish and caused the mass extinction in the oceans, it hadn't affected⁶ life on land.

不管是什么杀死了鱼，并导致海洋中的大灭绝，它并没有影响到陆地生物

That meant dinosaur⁴ evolution couldn't have been kick-started by a mass extinction. That theory was wrong.

也就是说恐龙的进化并非由大灭绝引爆，这种假设是错误的

It meant scientists would have to find something else,

这意味着科学家们必须找出其它原因

something equally connected to the break-up of the super-continent

超大陆的分裂还关系到另一事件

and powerful enough to have transformed the evolution of the dinosaurs,

它的强大作用也足以改变恐龙的进化历程

so they turned to another theory: climate change.

因此他们开始关注另一种观点：气候变化。

1 volcanic   

adj.火山的；象火山的；由火山引起的

参考例句：

• There have been several volcanic eruptions this year.今年火山爆发了好几次。
• Volcanic activity has created thermal springs and boiling mud pools.火山活动产生了温泉和沸腾的泥浆池。

2 eruption   

n.火山爆发；（战争等）爆发；（疾病等）发作

参考例句：

• The temple was destroyed in the violent eruption of 1470 BC.庙宇在公元前1470年猛烈的火山爆发中摧毁了。
• The eruption of a volcano is spontaneous.火山的爆发是自发的。

3 extinction   

n.熄灭，消亡，消灭，灭绝，绝种

参考例句：

• The plant is now in danger of extinction.这种植物现在有绝种的危险。
• The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。

4 dinosaur   

n.恐龙

参考例句：

• Are you trying to tell me that David was attacked by a dinosaur?你是想要告诉我大卫被一支恐龙所攻击？
• He stared at the faithful miniature of the dinosaur.他凝视著精确的恐龙缩小模型。

5 dinosaurs   

n.恐龙( dinosaur的名词复数 )；守旧落伍的人，过时落后的东西

参考例句：

• The brontosaurus was one of the largest of all dinosaurs. 雷龙是所有恐龙中最大的一种。 来自《简明英汉词典》
• Dinosaurs have been extinct for millions of years. 恐龙绝种已有几百万年了。 来自《简明英汉词典》

6 affected   

adj.不自然的，假装的

参考例句：

• She showed an affected interest in our subject.她假装对我们的课题感到兴趣。
• His manners are affected.他的态度不自然。