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纪录片《地球的力量》第2集 大气(26)永久冻土

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  • The best place to see what effect global warming is having on the permafrost
  • 在永久冻土上是最好的观察全球变暖影响的地方
  • is the many lakes found in this region.
  • 在这一地区有很多湖泊
  • And that's what's brought ecologist Katey Walter to this frozen wasteland.
  • 这吸引了生态学家 凯蒂沃尔特 到来
  • She believes she's already detected the first signs
  • 她相信她已经发现了第一个征兆
  • that methane is being released from the permafrost.
  • 甲烷已经开始从永久冻土释放
  • What's happening is that the permafrost is melting and thawing
  • 永久冻土正在融化
  • and slumping into the bottoms of the lakes.
  • 滑入湖泊的底部
  • Those dead plants thaw out,
  • 这些死掉的植物解冻
  • and they ferment at the bottom of the lake
  • 在湖底发酵
  • and methane is the by-product. Methane comes out.
  • 甲烷同时产生,甲烷从湖里释出
  • If Katey's right, then we should be able to find methane almost everywhere.
  • 如果凯蒂是对的,我们应该能发现到处是甲烷
  • Ah, this is the ice. I've got to the ice.
  • 啊,这是冰,我触到了冰
  • Look at that, that's beautiful! Oh, there's bubbles.
  • 看那,真是漂亮噢,那是气泡
  • The ice is over three feet thick
  • 这冰有一米厚
  • and it's full of bubbles trapped inside it.
  • 很明显冰里面截留大量的气泡
  • The trouble is it won't stay trapped in these bubbles for long.
  • 问题是冰不能截留这些气泡太久
  • When the ice thaws in spring, the gas will escape.
  • 当冰在春天融化,气体会逃走


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1、release

释放;放出

He was released from custody the next day.

第二天他被从拘留所里放了出来。

He is expected to be released from hospital today.

他有望今天出院。

释放;出院

He called for the immediate release of all political prisoners.

他要求立即释放所有政治犯。

the secret negotiations necessary to secure hostage releases.

为确保人质释放而要进行的秘密谈判

使免除;使免于

Divorce releases both the husband and wife from all marital obligations to each other.

离婚解除了夫妻双方相互之间所有的婚姻义务。

This releases the teacher to work with individuals who are having extreme difficulty.

这使得教师可以专门辅导学习特别吃力的学生。

2、detect

发现;查出;测出

a sensitive piece of equipment used to detect radiation.

一件用于探测辐射的灵敏设备

Most skin cancers can be cured if detected and treated early.

如果早发现早治疗,大多数皮肤癌是可以治愈的。

觉察;发觉

Arnold could detect a certain sadness in the old man's face.

阿诺德能觉察到老人脸上的一丝悲伤。

3、trap

圈套;诡计;骗局

He failed to keep a rendezvous after sensing a police trap

他察觉到警方设了圈套以后就没有如约会面。

He was trying to decide whether the question was some sort of a trap.

他试图判断那个问题是不是个套。

诱骗;使上当;使中计

Were you just trying to trap her into making some admission?

你刚才是想诱使她供认吗?

She had trapped him so neatly that he wanted to slap her.

她骗他骗得如此干净利落,他恨不得给她一记耳光。

诱捕;抓捕

The police knew that to trap the killer they had to play him at his own game.

警方知道要捉到凶手必须将计就计。

The couple set up a 24-hour security camera to trap the vandal scratching their car.

夫妇俩装了个 24 小时监控摄像头,想要抓住故意划坏他们车子的家伙。


重点单词   查看全部解释    
escape [is'keip]

想一想再看

v. 逃跑,逃脱,避开
n. 逃跑,逃脱,(逃

 
extreme [ik'stri:m]

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adj. 极度的,极端的
n. 极端,极限

 
global ['gləubəl]

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adj. 全球性的,全世界的,球状的,全局的

联想记忆
wasteland ['weistlænd]

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n. 荒地,未开垦地

 
ecologist [i:'kɔlədʒist]

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n. 生态学家

 
certain ['sə:tn]

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adj. 确定的,必然的,特定的
pron.

 
trap [træp]

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n. 圈套,陷阱,困境,双轮轻便马车
v. 设

 
sensitive ['sensitiv]

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adj. 敏感的,灵敏的,易受伤害的,感光的,善解人意的

联想记忆
release [ri'li:s]

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n. 释放,让渡,发行
vt. 释放,让与,准

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ferment ['fə:ment]

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n. 酵素,发酵,动乱
v. 使 ... 发酵

联想记忆

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