Dissolved carbon dioxide makes the water more acidic.

溶解的二氧化碳使水更具酸性。

Humans take in oxygen and breathe out carbon dioxide.

人吸入氧气，呼出二氧化碳。

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。

Industrialized countries must reduce carbon dioxide emissions.

工业化国家必须减少二氧化碳的排放。

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。

A spokesperson commented that levels of carbon dioxide were very high.

发言人称二氧化碳的含量很高。

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%。

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。

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。

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。

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。

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。

Carbon dioxide (二氧化碳) is one gas that traps heat.

二氧化碳是能保存热量的气体。

In fact it is mostly carbon dioxide.

事实上，它主要是二氧化碳。

They forget about one of the key causes of carbon dioxide.

他们忘记了二氧化碳产生的其中一个关键原因。

Burning fossil fuels releases carbon dioxide into the atmosphere.

燃烧化石燃料会向大气中排放二氧化碳。

Today, however, the potential problem is too much carbon dioxide.

但如今，潜在的问题是二氧化碳过多。

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。

Carbon dioxide and methane in the atmosphere block the escape of heat into space.

大气中的二氧化碳和甲烷阻止热量向太空散发。

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 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。

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。

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。

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。

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。

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。

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。

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。

To grow and eat a pound of potatoes sends less than one-quarter pound of carbon dioxide into the air.

种植和吃掉一磅土豆，向空气中排放的二氧化碳不超过四分之一磅。