carbon dioxide
柯林斯詞典
1. N-UNCOUNT Carbon dioxide is a gas. It is produced by animals and people breathing out, and by chemical reactions. 二氧化碳
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carbon dioxide /?kɑ?b?n da???ksa?d/
劍橋詞典
- the gas formed when carbon is burned , or when people or animals breathe out
- Plants absorb carbon dioxide during photosynthesis .
- A molecule of carbon dioxide (CO2) has one carbon atom and two oxygen atoms .
- Microbes decompose organic waste into a mixture of methane and carbon dioxide .
- The increased use of natural gas will help reduce carbon dioxide emissions.
- There has been a sudden and worrying rise in the level of carbon dioxide in the atmosphere . 返回 carbon dioxide
二氧化碳
carbon dioxide emissions 二氧化碳排放
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