ultra violet

简明释义

紫外线辐射紫外线的

英英释义

例句

1.The sun emits a significant amount of ultra violet 紫外线 radiation, which can be harmful to the skin.

太阳发出大量的ultra violet 紫外线辐射，这对皮肤可能有害。

2.Certain types of photography utilize ultra violet 紫外线 filters to capture unique images.

某些类型的摄影利用ultra violet 紫外线滤镜来捕捉独特的图像。

3.Many sunscreens protect against ultra violet 紫外线 rays to prevent sunburn.

许多防晒霜可以防护ultra violet 紫外线光线，以防止晒伤。

4.The laboratory uses ultra violet 紫外线 light for sterilization purposes.

实验室使用ultra violet 紫外线光进行消毒。

5.Some plants require ultra violet 紫外线 light for optimal growth.

一些植物需要ultra violet 紫外线光以达到最佳生长。

作文

The sun is a powerful source of energy, and it emits various types of radiation. Among these, one significant type is ultra violet (紫外线) radiation. This form of light is not visible to the human eye, but it plays a crucial role in our daily lives. Understanding ultra violet (紫外线) radiation is essential for both health and environmental reasons.Firstly, ultra violet (紫外线) radiation has beneficial effects. It is responsible for the production of vitamin D in our bodies, which is vital for maintaining healthy bones and a robust immune system. When our skin is exposed to sunlight, it absorbs ultra violet (紫外线) rays, which triggers the synthesis of this important vitamin. However, moderation is key; too much exposure can lead to adverse effects.Secondly, while ultra violet (紫外线) radiation can be beneficial, excessive exposure can be harmful. Prolonged exposure to ultra violet (紫外线) rays can cause skin damage, including sunburn, premature aging, and an increased risk of skin cancer. This is why it is essential to protect ourselves from the sun, especially during peak hours when ultra violet (紫外线) levels are highest. Wearing sunscreen with a high SPF, protective clothing, and sunglasses can help shield our skin from these harmful rays.Moreover, ultra violet (紫外线) radiation also affects our environment. It plays a significant role in the formation of ozone in the atmosphere. The ozone layer acts as a protective shield, absorbing the majority of the sun's harmful ultra violet (紫外线) radiation. However, human activities, such as the release of chlorofluorocarbons (CFCs), have led to the depletion of this protective layer, resulting in increased levels of ultra violet (紫外线) radiation reaching the Earth's surface. This not only poses a threat to human health but also affects ecosystems, harming plants and animals that are sensitive to ultra violet (紫外线) exposure.In conclusion, ultra violet (紫外线) radiation is a double-edged sword. While it is necessary for certain biological processes, its excessive presence can lead to serious health and environmental issues. Therefore, it is important to find a balance between enjoying the benefits of sunlight and protecting ourselves from its potential dangers. By being aware of the effects of ultra violet (紫外线) radiation and taking appropriate precautions, we can ensure a healthier life and a safer environment for future generations.

太阳是一个强大的能量源，它发出多种类型的辐射。其中一种重要的类型是紫外线（ultra violet）辐射。这种光线对人眼不可见，但在我们的日常生活中发挥着至关重要的作用。理解紫外线（ultra violet）辐射对于健康和环境原因至关重要。首先，紫外线（ultra violet）辐射有益的效果。它负责我们身体中维生素D的产生，这对保持健康的骨骼和强健的免疫系统至关重要。当我们的皮肤暴露在阳光下时，它吸收紫外线（ultra violet）光线，从而触发这种重要维生素的合成。然而，适度是关键；过度暴露会导致不良影响。其次，虽然紫外线（ultra violet）辐射可能是有益的，但过度暴露可能是有害的。长时间暴露于紫外线（ultra violet）光线下会导致皮肤损伤，包括晒伤、过早衰老和增加皮肤癌的风险。这就是为什么保护自己免受阳光照射至关重要，尤其是在紫外线（ultra violet）水平最高的高峰时段。使用高SPF的防晒霜、穿着防护衣物和太阳镜可以帮助保护我们的皮肤免受这些有害光线的伤害。此外，紫外线（ultra violet）辐射还影响我们的环境。它在大气中臭氧的形成中发挥着重要作用。臭氧层充当保护屏障，吸收大部分太阳的有害紫外线（ultra violet）辐射。然而，人类活动，例如氯氟烃（CFCs）的释放，导致了这一保护层的耗竭，导致更多的紫外线（ultra violet）辐射到达地球表面。这不仅对人类健康构成威胁，还影响生态系统，伤害对紫外线（ultra violet）暴露敏感的植物和动物。总之，紫外线（ultra violet）辐射是一把双刃剑。虽然它对于某些生物过程是必要的，但其过量存在可能导致严重的健康和环境问题。因此，找到享受阳光好处与保护自己免受潜在危险之间的平衡至关重要。通过意识到紫外线（ultra violet）辐射的影响并采取适当的预防措施，我们可以确保更健康的生活和为后代创造更安全的环境。