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人吸入氧气，呼出二氧化碳。
Humans take in oxygen and breathe out carbon dioxide.
《牛津词典》
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CO是一氧化碳的分子式。
CO is the formula for carbon monoxide.
《牛津词典》
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尾气中一氧化碳的排放量限制在4.5% 以下。
The limit for carbon monoxide is 4.5 per cent of the exhaust gas.
《柯林斯英汉双解大词典》
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事实上，它主要是二氧化碳。
In fact it is mostly carbon dioxide.
youdao
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但如今，潜在的问题是二氧化碳过多。
Today, however, the potential problem is too much carbon dioxide.
youdao
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蓝莓富含抗氧化物。
Blueberries are particularly high in antioxidants.
youdao
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大气中的二氧化碳和甲烷阻止热量向太空散发。
Carbon dioxide and methane in the atmosphere block the escape of heat into space.
youdao
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他们忘记了二氧化碳产生的其中一个关键原因。
They forget about one of the key causes of carbon dioxide.
youdao
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氢与氧化合成水。
Hydrogen and oxygen combine to form water.
《牛津词典》
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氢与氧化合成水。
Hydrogen combines with oxygen to form water.
《牛津词典》
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气体的反应体现在氧化钙上。
The gas is fed back over the calcium oxide.
youdao
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为了回收能量，气体重新与氧化钙反应。
To recover the energy, the gas is fed back over the calcium oxide.
youdao
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我们不能让大气中的二氧化碳无限制地升高。
We cannot let the CO2 in the atmosphere rise indefinitely.
youdao
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树木可以吸收空气中的二氧化碳，阻止全球变暖。
Trees can take in CO2 in the air and stop global warming.
youdao
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水由氢与氧化合而成。
Water is composed of hydrogen and oxygen.
《新英汉大辞典》
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一氧化二氮又叫做笑气。
Dinitrogen monoxide is also known as laughing gas.
youdao
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应该指出，这一过程就是氧化。
It should be pointed out that this process is oxidation.
youdao
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但是随后被证实是由于铁的氧化。
Later, however, it was proven to be due to iron oxidation.
youdao
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没错，咖啡是很好的抗氧化剂来源。
Yup: Coffee is a good source of antioxidants.
youdao
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它们消耗二氧化碳，并释放氧气。
They consume carbon dioxide, and release oxygen.
youdao
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抗氧化剂能对抗癌症和心脏病。
Antioxidants fight cancer and heart disease.
youdao
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如果没有二氧化碳，地球将冻结。
Without carbon dioxide, the planet would freeze over.
youdao
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选择黑巧克力作为额外的抗氧化剂。
Choose dark chocolate for the extra antioxidants.
youdao
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空气中的氧气代替了钴氧化物。
Oxygen from the air took the place of the cobalt oxide.
youdao
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好在我们有大量的抗氧化食物。
However, there are a good deal of antioxidant food sources to choose from.
youdao
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那么我们有氧化铁，它是固体。
So we'll have an iron oxide species. It's a solid.
youdao
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那么，什么是有抗氧化剂的最佳食物？
So what is the best source of antioxidants?
youdao
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你们该怎样除去这些氧化皮？
How can you get rid of this oxide coating?
youdao
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二氧化碳是植物食物的来源。
Carbon dioxide is a source of plant food.
youdao
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二氧化碳是植物食物的来源。
Carbon dioxide is a source of plant food.
youdao