Carbon dating of the drawing also linked it to da Vinci's period, according to the experts.

Plants and trees filter carbon dioxide out of the air and produce oxygen.

花草树木会过滤掉空气中的二氧化碳并制造氧气。

The Kyoto Protocol is a commitment to reduce the amounts of carbon dioxide output.

京都议定书承诺减排二氧化碳.

I am all for cutting carbon dioxide emissions, but that would be much more easily achieved by giving subsidies to windpower, than with nuclear power.

我完全赞成减少二氧化碳的排放，但是，相比发展核能，对发展风能提供补贴更容易实现这一目标。

External respiration is the exchange of oxygen and carbon dioxide in the lungs.

外呼吸是肺中氧与二氧化碳的交换.

Under normal circumstances, these two gases react readily to produce carbon dioxide and water.

在正常情况下，这两种气体容易发生反应产生二氧化碳和水。

Carbon dioxide emissions are the primary source of greenhouse gases.

二氧化碳的释放是温室效应气体的主要来源.

The proposed initiative would mandate a reduction of carbon dioxide of 40%.

倡议将强制规定把二氧化碳排放量降低40%。

the emission of carbon dioxide into the atmosphere

向大气排放二氧化碳

Emissions of carbon dioxide will increase by around 5 % by 2030.

到2030年前,二氧化碳的排放量将会增多5%.

Carbon dioxide continuously moves from soil into the atmosphere.

二氧化碳不断从土壤进人大气.

Greenery can inspiratory carbon dioxide, release oxygen, to people healthy have profit greatly.

绿色植物能够吸入二氧化碳, 释放氧气, 对人们的身体健康大有裨益.

Methane is often regarded as the second most important greenhouse gas after carbon dioxide.

甲烷常被认为是仅次于二氧化碳的重要温室气体。

The emission of gases such as carbon dioxide should be stabilised at their present level.

二氧化碳等气体的排放应该稳定在当前水平。

A tonne of carbon dioxide is now €28.

一吨二氧化碳的价格现在是28欧元.

The carbon dioxide gas is then melt made into a liquid and buried deep underground.

二氧化碳气体这时被变成了液体然后埋入很深的地下.

The heat is transferred by circulating carbon dioxide gas.

热量由循环流动的二氧化碳气传送.

The carbon dioxide gas is then made into a liquid and buried deep underground.

收集的二氧化碳其他随之变成液体埋在更深的地下.

Bubble the carbon dioxide gas through the liquid.

让二氧化碳气体咕咕嘟嘟通过这种液体.

The captured carbon dioxide gas is then made into liquid liquid and buried deep undergroudunderground.

被收集的二氧化碳被转化成液体,而后被深埋到地下.

The captured carbon dioxide gas is made into liquid and deep buried underground.

收集到的二氧化碳气体将被制成液体,然后深埋地底.