carbon

Diamonds are pure carbon.

钻石是纯净的碳.

a series of deaths caused by carbon monoxide poisoning

一氧化碳中毒引起的一连串死亡

Pig iron may contain 4％ of carbon.

生铁可含百分之四的碳.

Carbon rubs off on your hands.

碳会沾手.

The limit for carbon monoxide is 4.5 per cent of the exhaust gas.

尾气中一氧化碳的排放限量为4.5%。

Carbon steels exist in three stable crystalline phases.

碳素钢含有3种稳定的结晶状态.

The two principal combustion products are water vapor and carbon dioxide.

两种主要的燃烧产物是水蒸气和二氧化碳。

Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.

碳、氢、氧化合形成碳水化合物和脂肪。

The heavy traffic tinctures the air with carbon monoxide.

繁忙的交通使空气里充满一氧化碳.

Carbon has a valency of 4.

碳的化合价是4价。

The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.

相比之下，人类活动燃烧煤、石油等所释放的二氧化碳要少一些。

One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.

地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的.

Now with this particular piece of instrumentation, you can actually spot individual carbon atoms.

现在利用这件特定的仪器，就可以真正观察到单个碳原子了。

Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.

抽烟时吸入的尼古丁和一氧化碳都已经被标定为致病因素。

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。

Carbon dioxide is the largest contributor to the greenhouse effect.

二氧化碳太多是道致温室效应的最主要原因.

This may provide a quick and accurate way of monitoring the amount of carbon dioxide in the air.

这也许能提供一个监测空气中二氧化碳含量的既快又准的方法。

Carbon dioxide is a necessary result of the oxidation of carbon compounds.

碳化合物氧化后必然会产生二氧化碳。

Charcoal and diamond are allotropes of carbon.

木炭和金刚石都是炭的同素异形物

She is a carbon copy of her sister.

她跟她姐姐长得一模一样。

You can make your flights carbon neutral by planting trees to make up for the greenhouse gas emissions.

可以通过植树对航空飞行进行碳中和，以抵消温室气体的排放。

the many isotopes of carbon

碳的诸多同位素

The lime water has turned cloudy, therefore carbon dioxide has been produced during the experiment.

石灰水变得混浊了，可见在实验中有二氧化碳生成了。

In graphite sheets, carbon atoms bond together in rings.

石墨层中的碳原子相互连接形成碳环。

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。

Carbon is an element, while carbon dioxide is a compound.

碳是一种(化学)元素, 而二氧化碳则是一种化合物.

The drawing is transferred onto the wood by means of carbon paper.

这幅画是通过复写纸印到木头上的。

She's a carbon copy of her mother.

她和她妈妈就像是一个模子里刻出来的。

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。

You can liquefy the carbon dioxide to separate it from the other constituents.

可以将二氧化碳液化，以便和其他成分分开。