ultraviolet radiation

简明释义

紫外线辐射

英英释义

例句

1.Tanning beds produce artificial ultraviolet radiation that can damage your skin.

日光浴床产生的人工紫外线辐射可能会损害你的皮肤。

2.The ozone layer absorbs most of the ultraviolet radiation from the sun.

臭氧层吸收了大部分来自太阳的紫外线辐射。

3.Excessive exposure to ultraviolet radiation can lead to skin cancer.

过度暴露于紫外线辐射可能导致皮肤癌。

4.Sunscreen helps protect your skin from ultraviolet radiation during outdoor activities.

防晒霜有助于保护你的皮肤免受户外活动中紫外线辐射的伤害。

5.Some types of lamps emit ultraviolet radiation that can be harmful to your eyes.

某些类型的灯发出可能对眼睛有害的紫外线辐射。

作文

Ultraviolet radiation, often abbreviated as UV radiation, is a type of electromagnetic radiation that comes from the sun and artificial sources such as tanning beds. It has a wavelength shorter than that of visible light but longer than X-rays. The importance of understanding ultraviolet radiation (紫外线辐射) lies in its significant effects on both human health and the environment. Firstly, ultraviolet radiation (紫外线辐射) plays a crucial role in the production of vitamin D in the human body. When our skin is exposed to UV rays, it synthesizes vitamin D, which is essential for maintaining healthy bones and a robust immune system. However, excessive exposure to ultraviolet radiation (紫外线辐射) can lead to harmful effects, such as skin cancer, premature aging, and eye damage. Therefore, it is vital to balance the benefits and risks associated with UV exposure. Moreover, there are three types of ultraviolet radiation (紫外线辐射): UVA, UVB, and UVC. UVA rays penetrate the skin more deeply and are primarily responsible for skin aging and long-term skin damage. UVB rays are responsible for causing sunburn and playing a significant role in developing skin cancer. UVC rays, while the most harmful, are mostly absorbed by the Earth’s atmosphere and do not reach the surface. Understanding these different types of ultraviolet radiation (紫外线辐射) can help individuals take appropriate protective measures when spending time outdoors. In addition to human health, ultraviolet radiation (紫外线辐射) also affects the environment. For instance, UV radiation can harm aquatic ecosystems. Phytoplankton, the foundation of the marine food web, are sensitive to UV rays. Increased levels of ultraviolet radiation (紫外线辐射) can lead to reduced phytoplankton populations, which can have cascading effects on marine life and fisheries. Furthermore, UV radiation can damage terrestrial plant life, affecting crop yields and biodiversity. To mitigate the adverse effects of ultraviolet radiation (紫外线辐射), individuals can take several precautions. Wearing sunscreen with a high SPF, donning protective clothing, and seeking shade during peak sunlight hours are effective strategies. Additionally, wearing sunglasses that block UV rays can protect the eyes from potential damage. Public awareness campaigns about the dangers of excessive UV exposure are also essential in promoting safe practices. In conclusion, ultraviolet radiation (紫外线辐射) is an integral part of our environment that has both beneficial and harmful effects. While it is essential for vitamin D synthesis and overall health, overexposure can lead to serious health issues and environmental damage. By understanding the nature of ultraviolet radiation (紫外线辐射) and taking appropriate precautions, we can enjoy the benefits of sunlight while minimizing the risks associated with UV exposure. As we continue to learn about the impacts of UV radiation, it is crucial to advocate for sustainable practices that protect both our health and the planet.

紫外线辐射，通常缩写为UV辐射，是一种来自太阳和人工来源（如日光浴床）的电磁辐射。它的波长比可见光短，但比X射线长。理解紫外线辐射（ultraviolet radiation）的重要性在于它对人类健康和环境的重大影响。首先，紫外线辐射（ultraviolet radiation）在人体维生素D的生成中起着至关重要的作用。当我们的皮肤暴露在紫外线下时，它会合成维生素D，这对维持健康的骨骼和强健的免疫系统至关重要。然而，过度暴露在紫外线辐射（ultraviolet radiation）下会导致有害的影响，如皮肤癌、早衰和眼睛损伤。因此，平衡与紫外线暴露相关的好处和风险至关重要。此外，紫外线辐射（ultraviolet radiation）有三种类型：UVA、UVB和UVC。UVA射线更深入地穿透皮肤，主要负责皮肤老化和长期皮肤损伤。UVB射线则是导致晒伤并在皮肤癌发展中起着重要作用的因素。虽然UVC射线是最有害的，但大部分被地球的大气层吸收，并未到达地表。了解这些不同类型的紫外线辐射（ultraviolet radiation）可以帮助个人在户外活动时采取适当的保护措施。除了对人类健康的影响，紫外线辐射（ultraviolet radiation）还会影响环境。例如，紫外线辐射可能会对水生生态系统造成伤害。浮游植物是海洋食物链的基础，对紫外线非常敏感。紫外线水平的增加可能导致浮游植物种群减少，从而对海洋生物和渔业产生连锁反应。此外，紫外线辐射还会损害陆地植物生命，影响作物产量和生物多样性。为了减轻紫外线辐射（ultraviolet radiation）的负面影响，个人可以采取几项预防措施。使用高SPF值的防晒霜、穿戴保护性服装以及在阳光最强烈的时段寻求阴凉都是有效的策略。此外，佩戴能阻挡紫外线的太阳镜可以保护眼睛免受潜在损害。关于过度紫外线暴露危险的公众意识宣传也在促进安全做法方面至关重要。总之，紫外线辐射（ultraviolet radiation）是我们环境中不可或缺的一部分，具有益处和危害。尽管它对维生素D合成和整体健康至关重要，但过度暴露可能导致严重的健康问题和环境损害。通过理解紫外线辐射（ultraviolet radiation）的本质并采取适当的预防措施，我们可以享受阳光的好处，同时最小化与紫外线暴露相关的风险。随着我们继续了解紫外线辐射的影响，倡导保护我们健康和地球的可持续实践至关重要。