ozone layer

简明释义

溴氧层

英英释义

例句

1.The depletion of the ozone layer has raised concerns among environmentalists.

臭氧层ozone layer的减少引起了环保人士的担忧。

2.The ozone layer acts as a shield against harmful ultraviolet radiation.

ozone layer充当了抵御有害紫外线辐射的屏障。

3.Countries around the world are working together to protect the ozone layer.

世界各国正在共同努力保护ozone layer。

4.Scientists are studying ways to repair the ozone layer using new technologies.

科学家们正在研究利用新技术修复ozone layer的方法。

5.Increased UV exposure due to ozone layer depletion can lead to skin cancer.

由于ozone layer减少，紫外线暴露增加可能导致皮肤癌。

作文

The ozone layer is a crucial part of our planet's atmosphere, located about 10 to 30 miles above the Earth's surface. It plays an essential role in protecting life on Earth by absorbing the majority of the sun's harmful ultraviolet (UV) radiation. Without the ozone layer, the intensity of UV rays would increase significantly, leading to higher rates of skin cancer and other health issues for humans, as well as detrimental effects on wildlife and ecosystems.Historically, the ozone layer has faced significant threats from human activities. The introduction of chlorofluorocarbons (CFCs) in the mid-20th century marked a turning point in the depletion of this vital atmospheric shield. CFCs were primarily used in refrigeration, air conditioning, and aerosol sprays. As these substances ascended into the stratosphere, they broke down ozone molecules, leading to the thinning of the ozone layer. This phenomenon was first discovered in the 1980s when scientists observed a significant reduction in ozone levels over Antarctica, commonly referred to as the 'ozone hole'.In response to this alarming situation, international efforts were mobilized to combat the depletion of the ozone layer. The Montreal Protocol, established in 1987, was a landmark agreement that aimed to phase out the production and consumption of ozone-depleting substances. The success of this treaty is evident today; studies indicate that the ozone layer is on track to recovery, with predictions suggesting that it could return to its pre-1980 levels by the middle of the 21st century.The recovery of the ozone layer is not just a victory for environmentalists but a reminder of the positive impact that global cooperation can achieve. It demonstrates that when countries come together to address a common challenge, significant progress can be made. However, the fight is not over. While the ozone layer is recovering, we must remain vigilant against new threats, such as climate change and emerging chemicals that could potentially harm this fragile layer.In conclusion, the ozone layer serves as a protective shield for our planet, and its preservation is vital for the health of all living organisms. As we move forward, it is crucial to continue supporting policies that protect the ozone layer and promote sustainable practices. Educating ourselves and others about the importance of this atmospheric layer will help ensure that future generations can enjoy a healthier environment. Protecting the ozone layer is not just an environmental issue; it is a fundamental aspect of ensuring the well-being of our planet and its inhabitants.

臭氧层是我们地球大气的重要组成部分，位于地球表面约10到30英里高的地方。它在保护地球生命方面发挥着至关重要的作用，通过吸收大部分太阳有害的紫外线（UV）辐射来保护生命。如果没有臭氧层，紫外线的强度将显著增加，导致人类皮肤癌和其他健康问题的发生率上升，同时也对野生动物和生态系统造成不利影响。历史上，臭氧层曾面临来自人类活动的重大威胁。20世纪中叶氯氟烃（CFCs）的引入标志着这种重要大气屏障被破坏的转折点。CFCs主要用于制冷、空调和喷雾剂。当这些物质上升到平流层时，它们会分解臭氧分子，导致臭氧层的变薄。这一现象在1980年代首次被发现，当时科学家观察到南极洲的臭氧水平显著下降，这通常被称为“臭氧洞”。为了应对这一令人担忧的局面，国际社会采取了行动以抵制臭氧层的消耗。1987年制定的《蒙特利尔议定书》是一个里程碑式的协议，旨在逐步淘汰臭氧消耗物质的生产和消费。这一条约的成功在今天得到了证明；研究表明，臭氧层正在恢复的轨道上，预测到21世纪中叶，它可能会恢复到1980年前的水平。臭氧层的恢复不仅是环保人士的胜利，也是全球合作所能取得积极成果的提醒。它表明，当各国团结一致应对共同挑战时，可以取得显著进展。然而，斗争并未结束。虽然臭氧层正在恢复，但我们必须对新的威胁保持警惕，例如气候变化和可能危害这一脆弱层的新化学物质。总之，臭氧层作为我们地球的保护屏障，其保护对所有生物的健康至关重要。展望未来，继续支持保护臭氧层的政策和促进可持续实践是至关重要的。教育自己和他人关于这一大气层重要性的知识，将有助于确保未来几代人能够享受一个更健康的环境。保护臭氧层不仅是一个环境问题；它是确保我们星球及其居民福祉的基本方面。