carbon dioxide

简明释义

二氧化碳

英英释义

例句

1.Carbonated drinks contain dissolved carbon dioxide 二氧化碳 for fizziness.

碳酸饮料中含有溶解的二氧化碳以增加气泡感。

2.Plants absorb carbon dioxide 二氧化碳 during photosynthesis.

植物在光合作用过程中吸收二氧化碳。

3.Breathing out releases carbon dioxide 二氧化碳 into the air.

呼气时将二氧化碳释放到空气中。

4.High levels of carbon dioxide 二氧化碳 in the atmosphere can lead to climate change.

大气中高浓度的二氧化碳会导致气候变化。

5.The carbon dioxide 二氧化碳 levels in the ocean are rising due to global warming.

由于全球变暖，海洋中的二氧化碳水平正在上升。

作文

Carbon dioxide, represented as CO₂, is a colorless gas that is naturally present in Earth's atmosphere in trace amounts. It plays a crucial role in the carbon cycle, which is essential for life on our planet. This gas is produced by various natural processes, including respiration, volcanic eruptions, and the decomposition of organic matter. However, human activities, particularly the burning of fossil fuels, have significantly increased the concentration of carbon dioxide (二氧化碳) in the atmosphere, leading to serious environmental concerns such as global warming and climate change.One of the primary sources of carbon dioxide (二氧化碳) emissions is the combustion of fossil fuels for energy. Power plants, vehicles, and industrial processes release vast amounts of this gas into the atmosphere. In addition, deforestation contributes to higher levels of carbon dioxide (二氧化碳) since trees absorb this gas during photosynthesis. When forests are cut down, not only is this natural process disrupted, but the carbon stored in trees is also released back into the atmosphere.The increase in carbon dioxide (二氧化碳) levels has significant implications for our environment. It is a greenhouse gas, meaning it traps heat in the atmosphere and contributes to the greenhouse effect. This effect is vital for maintaining Earth's temperature; however, excessive amounts of carbon dioxide (二氧化碳) can lead to an increase in global temperatures, resulting in drastic changes in climate patterns. These changes can cause severe weather events, rising sea levels, and disruptions to ecosystems.To combat the adverse effects of carbon dioxide (二氧化碳), many countries are working towards reducing their emissions. This includes transitioning to renewable energy sources such as solar, wind, and hydroelectric power. These alternatives not only produce little to no carbon dioxide (二氧化碳) during operation but also help decrease our reliance on fossil fuels. Additionally, increasing energy efficiency in buildings and transportation can significantly reduce the amount of carbon dioxide (二氧化碳) emitted.Another effective strategy is reforestation and afforestation. By planting more trees, we can enhance the natural absorption of carbon dioxide (二氧化碳) from the atmosphere. This not only helps mitigate climate change but also restores habitats for wildlife and improves air quality. Furthermore, promoting sustainable agricultural practices can also contribute to lowering carbon dioxide (二氧化碳) levels, as they often involve better soil management and reduced reliance on chemical fertilizers.In conclusion, carbon dioxide (二氧化碳) is an essential component of our atmosphere, but its increasing concentration due to human activities poses a significant threat to our environment. It is imperative that we take collective action to reduce carbon dioxide (二氧化碳) emissions through the adoption of renewable energy, reforestation, and sustainable practices. By doing so, we can work towards a healthier planet for future generations.

二氧化碳（CO₂）是一种无色气体，天然存在于地球大气中，含量微量。它在碳循环中发挥着至关重要的作用，这对于我们星球上的生命是必不可少的。这种气体由多种自然过程产生，包括呼吸、火山喷发和有机物分解。然而，人类活动，特别是化石燃料的燃烧，显著增加了大气中二氧化碳（carbon dioxide）的浓度，导致全球变暖和气候变化等严重环境问题。二氧化碳（carbon dioxide）排放的主要来源之一是化石燃料的燃烧用于能源。发电厂、车辆和工业过程向大气释放大量这种气体。此外，森林砍伐也导致二氧化碳（carbon dioxide）水平升高，因为树木在光合作用过程中吸收这种气体。当森林被砍伐时，这一自然过程不仅被破坏，而且储存在树木中的碳也被释放回大气中。二氧化碳（carbon dioxide）水平的增加对我们的环境产生了重大影响。它是一种温室气体，这意味着它会在大气中捕获热量并促进温室效应。该效应对于维持地球温度至关重要；然而，过量的二氧化碳（carbon dioxide）会导致全球气温上升，从而导致气候模式发生剧烈变化。这些变化可能导致严重的天气事件、海平面上升和生态系统的破坏。为了应对二氧化碳（carbon dioxide）的负面影响，许多国家正在努力减少其排放。这包括过渡到可再生能源，如太阳能、风能和水电。这些替代能源在运行过程中几乎不产生二氧化碳（carbon dioxide），并有助于减少我们对化石燃料的依赖。此外，提高建筑和交通的能源效率可以显著减少排放的二氧化碳（carbon dioxide）量。另一个有效的策略是重新造林和植树造林。通过种植更多的树木，我们可以增强自然吸收大气中二氧化碳（carbon dioxide）的能力。这不仅有助于减缓气候变化，还恢复了野生动物栖息地，改善了空气质量。此外，促进可持续农业实践也有助于降低二氧化碳（carbon dioxide）水平，因为它们通常涉及更好的土壤管理和减少对化肥的依赖。总之，二氧化碳（carbon dioxide）是我们大气的重要组成部分，但由于人类活动，其浓度的增加对环境构成了重大威胁。我们必须采取集体行动，通过采用可再生能源、重新造林和可持续实践来减少二氧化碳（carbon dioxide）的排放。通过这样做，我们可以为后代创造一个更健康的星球。