纪录片《地球劫难日》 第31期 全球气温上升

Imagine the world for dicynodon as he crawls out of his hole in South Africa and looks at the sky.

想象一下一头南非的二齿兽正爬出洞口仰望天空。

It may be a bit purple, it may be a bit blue or red because of the very distant volcanic¹ eruptions² in Russia.

天空有点泛紫，时蓝时红，因为遥远的俄罗斯正在发生大规模火山爆发。

He may feel it a bit warmer at first.

它先是感到有点热。

Year by year progressively this gets worse and worse.

然后气候一年比一年糟。

There would have been a freezing winter followed by slow but steady global warming.

接着是一个严寒的冬天，随后又是缓慢而持久的全球变暖。

Gradually the world would have heated up by 4-5℃.

渐渐地全球气温上升了4-5℃。

On land some species died. Then the sea must have headed up.

陆地上的一些物种灭绝了。接着海洋开始升温。

Marine³ life would also have died. Then something new happened.

海洋生物也灭绝了。然后出现了新的情况。

The hotter water would have released the second killer⁴ from the deep, the methane⁵.

变暖的海水释放了困于海底的第二个杀手，甲烷。

This huge injection of greenhouse gas now pushed world temperatures up a further 5℃.

这大量涌出的温室气体使全球温度又升高了5℃。

The world was now 10℃ hotter.

此时地球比以前热了10℃。

A temperature rise of 10℃ may not sound very much,

气温上升10℃听起来不算很多，

but 10℃ would mean this part of the south of England would turn into the Sahara desert.

但这10℃意味着英国南部将变成撒哈拉沙漠。

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 eruptions   

n.喷发，爆发( eruption的名词复数 )

参考例句：

• There have been several volcanic eruptions this year. 今年火山爆发了好几次。 来自《简明英汉词典》
• Over 200 people have been killed by volcanic eruptions. 火山喷发已导致200多人丧生。 来自辞典例句

3 marine   

adj.海的；海生的；航海的；海事的；n.水兵

参考例句：

• Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
• When the war broke out,he volunteered for the Marine Corps.战争爆发时，他自愿参加了海军陆战队。

4 killer   

n.杀人者，杀人犯，杀手，屠杀者

参考例句：

• Heart attacks have become Britain's No.1 killer disease.心脏病已成为英国的头号致命疾病。
• The bulk of the evidence points to him as her killer.大量证据证明是他杀死她的。

5 methane   

n.甲烷，沼气

参考例句：

• The blast was caused by pockets of methane gas that ignited.爆炸是由数袋甲烷气体着火引起的。
• Methane may have extraterrestrial significance.甲烷具有星际意义。