Carbon dioxide, which makes a barrier between us and the sun, prevents heat from getting out of the atmosphere.
二氧化碳在我们和太阳之间形成了一道屏障，阻止热量从大气中散发出来。
Industrialized countries must reduce carbon dioxide emissions.
工业化国家必须减少二氧化碳的排放。
Dissolved carbon dioxide makes the water more acidic.
溶解的二氧化碳使水更具酸性。
Burning fossil fuels uses oxygen and produces carbon dioxide.
燃烧化石燃料消耗氧气并产生二氧化碳。
Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
火星周围有一个薄薄的大气层，几乎全由二氧化碳构成。
A spokesperson commented that levels of carbon dioxide were very high.
发言人称二氧化碳的含量很高。
Plants absorb carbon dioxide from the air and moisture from the soil.
植物从空气中吸收二氧化碳，从泥土中吸收水分。
Reducing levels of carbon dioxide in the atmosphere is of critical importance.
减少大气层中的二氧化碳含量极其重要。
Through this incision, the abdominal cavity is distended with carbon dioxide gas.
通过此切口，二氧化碳气体把胸腔充得肿胀起来。
The proposed initiative would mandate a reduction of carbon dioxide of 40%.
这个倡议将把二氧化碳排放量强制降低40%。
You can liquefy the carbon dioxide to separate it from the other constituents.
你可液化二氧化碳以使它与其他成分分离。
The emission of gases such as carbon dioxide should be stabilized at their present level.
二氧化碳之类气体的排放应该被控制在目前的水平上。
The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.
相比之下人类燃烧煤、石油等活动所释放的二氧化碳的量是少的。
An increase in the amount of carbon dioxide means that there are more molecules of carbon dioxide to absorb infrared radiation.
二氧化碳含量的增加意味着有更多的二氧化碳分子吸收红外线辐射。
Soil tilling releases carbon dioxide, and delivery vehicles emit exhaust.
耕作翻土会释放二氧化碳，而运输车辆会排放废气。
Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.
这种化合物加热后会排出二氧化碳，产生氧化钙。
Global warming will continue for some decades after carbon dioxide emissions peak.
二氧化碳排放量达到最大值后，全球气候变暖将会持续好几十年。
The burning of methane generates carbon dioxide that is released into the atmosphere.
燃烧甲烷产生二氧化碳，然后释放到大气中。
The result would be higher emissions of carbon dioxide and other greenhouse gases.
其结果会是二氧化碳和其他温室气体的排放量增加。
We are entering into uncharted territory now, in terms of the amount of carbon dioxide.
在二氧化碳的数量方面，我们现在正在进入一个未知的领域。
Nowadays scientists are finding light pollution can be almost as bad as carbon dioxide pollution.
如今科学家们发现光污染几乎和二氧化碳污染一样有害。
When iron became highly oxidized, so did diamonds; that is, they vaporized into carbon dioxide.
当铁被高度氧化时，钻石也被高度氧化；也就是说，它们蒸发成二氧化碳。
Emitting too much greenhouse gases such as carbon dioxide lies at the root of global warming.
排放过多温室气体，如二氧化碳，是全球变暖的根本原因。
Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide.
许多环境专家现在认为，甲烷比二氧化碳对全球变暖负有更大的责任。
Another adaptive advantage is Spartina's ability to use carbon dioxide more efficiently than most other plants.
另一个适应性优势是，米草比大多数其他植物更有效利用二氧化碳的能力。
The company is profiting by selling carbon dioxide to beverage companies to add fizz to their drinks.
该公司通过向饮料公司出售二氧化碳来增加饮料中的气泡而获利。
All things considered, I think every country should cut the emission of carbon dioxide to protect the earth.
总而言之，每一个国家都应该减少二氧化碳排放量来保护地球。
Phytoplankton live at the ocean surface, where they pull carbon dioxide into the ocean while giving off oxygen.
"浮游植物生活在海洋表面，在那里他们把二氧化碳释放到海里，同时放出氧气。
These bacteria that live inside the tube worms; the tube worms provide them with hydrogensulfide and carbon dioxide.
这些细菌生活在管虫体内；管虫为它们提供硫化氢和二氧化碳。
Arrhenius calculated the capability of carbon dioxide to trap heat in the Earth's atmosphere, but other chemists disagreed.
阿伦尼乌斯计算了二氧化碳在地球大气层内的蓄热能力，但是其他化学家对此有异议。
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