ultraviolet radiation

简明释义

紫外射线

英英释义

例句

1.The sunscreen protects your skin from ultraviolet radiation (紫外线辐射) that can cause sunburn.

防晒霜可以保护你的皮肤免受紫外线辐射（紫外线辐射）的伤害，这可能导致晒伤。

2.Excessive exposure to ultraviolet radiation (紫外线辐射) can lead to skin cancer.

过度暴露于紫外线辐射（紫外线辐射）下可能导致皮肤癌。

3.The ozone layer protects us from harmful ultraviolet radiation (紫外线辐射).

臭氧层保护我们免受有害的紫外线辐射（紫外线辐射）。

4.Plants require some amount of ultraviolet radiation (紫外线辐射) for photosynthesis.

植物需要一定量的紫外线辐射（紫外线辐射）进行光合作用。

5.Some types of lamps emit ultraviolet radiation (紫外线辐射) that can sterilize surfaces.

某些类型的灯会发出紫外线辐射（紫外线辐射），可以对表面进行消毒。

作文

Ultraviolet radiation, or 紫外线辐射, is a form of electromagnetic radiation that comes from the sun and man-made sources. It has a wavelength shorter than visible light but longer than X-rays. This type of radiation is divided into three categories: UVA, UVB, and UVC. Each category has different effects on human health and the environment. Understanding 紫外线辐射 is crucial for both personal health and environmental protection.The most common source of 紫外线辐射 is sunlight. When we spend time outdoors, especially during the summer months, we are exposed to varying levels of this radiation. UVA rays penetrate the skin more deeply and are primarily responsible for premature aging and skin damage. On the other hand, UVB rays are known for causing sunburn and play 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.The impact of 紫外线辐射 on human health cannot be understated. Overexposure to UV radiation can lead to serious health issues such as skin cancer, cataracts, and weakened immune systems. Skin cancer is one of the most common forms of cancer worldwide, and the rates have been rising steadily. It is essential to take protective measures when exposed to sunlight, such as wearing sunscreen, protective clothing, and sunglasses.In addition to health risks, 紫外线辐射 also affects the environment. It can disrupt ecosystems, particularly in aquatic environments where it can harm phytoplankton, the foundation of the marine food web. Additionally, UV radiation can affect the growth and development of terrestrial plants, which can lead to reduced agricultural yields and threaten food security.To mitigate the harmful effects of 紫外线辐射, individuals and communities must adopt preventive strategies. Public awareness campaigns can educate people about the dangers of excessive sun exposure and the importance of using sunscreen with adequate SPF. Schools can incorporate lessons about UV radiation into their health education programs, emphasizing the significance of sun safety.Moreover, scientists and researchers are continuously studying 紫外线辐射 to better understand its effects and develop new technologies to protect against it. Innovations such as UV-blocking fabrics and advanced sunscreens are becoming increasingly popular. These products not only help to shield our skin from harmful rays but also contribute to overall public health.In conclusion, 紫外线辐射 is an integral part of our environment that poses both health risks and ecological challenges. By understanding its nature and effects, we can take proactive steps to protect ourselves and the planet. Awareness, education, and innovation are key components in addressing the challenges posed by 紫外线辐射. As we continue to learn more about this phenomenon, it is imperative that we prioritize our health and the health of our environment to ensure a sustainable future.