carbon dioxide
简明释义
二氧化碳
英英释义
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. | 一种无色、无味的气体,由燃烧碳和有机化合物以及呼吸产生。 |
它是一种温室气体,助长全球变暖。 | |
化学式:CO2。 |
例句
1.The beverage industry uses carbon dioxide to carbonate soft drinks.
饮料行业使用二氧化碳给软饮料充气。
2.Increased levels of carbon dioxide in the atmosphere contribute to global warming.
大气中二氧化碳浓度的增加助长了全球变暖。
3.Animals exhale carbon dioxide as a waste product of respiration.
动物呼出二氧化碳作为呼吸的废物。
4.Plants absorb carbon dioxide to perform photosynthesis.
植物吸收二氧化碳进行光合作用。
5.Fire extinguishers often use carbon dioxide to put out small fires.
灭火器通常使用二氧化碳扑灭小火。
作文
Carbon dioxide, or 二氧化碳, is a colorless, odorless gas that is essential for life on Earth. It is produced by the respiration of animals and plants, as well as through the combustion of fossil fuels like coal, oil, and natural gas. The 二氧化碳 levels in the atmosphere have been rising significantly due to human activities, leading to various environmental issues such as global warming and climate change.One of the primary roles of 二氧化碳 in the environment is its contribution to the greenhouse effect. Greenhouse gases, including 二氧化碳, trap heat from the sun in the Earth's atmosphere, helping to maintain a temperature that can support life. However, an excess of 二氧化碳 can lead to an increase in global temperatures, resulting in severe weather changes, melting ice caps, and rising sea levels.The increase in 二氧化碳 emissions is largely attributed to industrialization. Factories, power plants, and vehicles release large quantities of 二氧化碳 into the atmosphere. Deforestation also contributes to this problem, as trees absorb 二氧化碳 during photosynthesis. When forests are cut down, not only is this absorption capacity reduced, but the carbon stored in trees is also released back into the atmosphere.To combat the rising levels of 二氧化碳, many countries are implementing policies aimed at reducing emissions. Renewable energy sources such as solar, wind, and hydroelectric power are being promoted as alternatives to fossil fuels. Additionally, reforestation projects are being initiated to restore forests and enhance their role in absorbing 二氧化碳.Individuals can also play a part in reducing 二氧化碳 emissions. Simple actions like using public transportation, reducing energy consumption at home, and supporting sustainable practices can make a significant difference. By being mindful of our carbon footprint, we can collectively contribute to a healthier planet.In conclusion, 二氧化碳 is a vital component of our atmosphere, but its increasing concentration poses serious threats to our environment. Understanding the sources and consequences of 二氧化碳 emissions is crucial for developing effective strategies to mitigate their impact. Through collective efforts at the individual, community, and governmental levels, we can work towards a more sustainable future where the balance of 二氧化碳 in our atmosphere is maintained, ensuring a livable planet for generations to come.
二氧化碳是一种无色、无味的气体,对地球上的生命至关重要。它是动物和植物呼吸产生的气体,同时也是煤、石油和天然气等化石燃料燃烧的产物。由于人类活动的影响,二氧化碳在大气中的含量显著上升,导致全球变暖和气候变化等各种环境问题。二氧化碳在环境中发挥的主要作用之一是促进温室效应。包括二氧化碳在内的温室气体会捕获来自太阳的热量,帮助维持适合生命的温度。然而,二氧化碳的过量会导致全球气温上升,从而引发严重的天气变化、冰盖融化和海平面上升。二氧化碳排放量的增加主要归因于工业化。工厂、电厂和汽车向大气中释放大量的二氧化碳。森林砍伐也加剧了这一问题,因为树木在光合作用中吸收二氧化碳。当森林被砍伐时,不仅减少了这种吸收能力,树木中储存的碳也会重新释放到大气中。为了应对日益上升的二氧化碳水平,许多国家正在实施旨在减少排放的政策。可再生能源,如太阳能、风能和水电,正被推广作为化石燃料的替代品。此外,重新造林项目也在进行,以恢复森林并增强其吸收二氧化碳的能力。个人也可以在减少二氧化碳排放中发挥作用。简单的行动,如使用公共交通、减少家庭能源消耗和支持可持续实践,都可以产生显著的影响。通过关注我们的碳足迹,我们可以共同为一个更健康的地球做出贡献。总之,二氧化碳是我们大气中的重要成分,但其浓度的增加对我们的环境构成严重威胁。理解二氧化碳排放的来源和后果对于制定有效的减缓措施至关重要。通过个人、社区和政府层面的共同努力,我们可以朝着一个更可持续的未来迈进,在这个未来中,我们大气中二氧化碳的平衡得以维持,确保未来几代人都能生活在一个宜居的星球上。
相关单词