UV-B是什么意思 UV-B的读音、翻译、用法

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'UV-B'这个词语来源于英语,是紫外线辐射光谱中的一种波段类型,波长范围为280-320纳米。UV-B光线对人类健康有着重要的影响,如促进维生素D的合成,但过量的UV-B辐射也会导致皮肤癌等疾病。

以下是9个含有UV-B词语的例句:

1. UV-B radiation can cause damage to plant DNA and affect their growth and development.(UV-B辐射会对植物DNA造成损害,影响它们的生长和发育。)

2. Sunscreens with high SPF can effectively block the penetration of UV-B rays into the skin.(高SPF值的防晒霜可以有效地阻止UV-B射线进入皮肤。)

3. The ozone layer in the atmosphere can absorb some of the UV-B radiation from the sun.(大气中的臭氧层可以吸收部分来自太阳的UV-B辐射。)

4. Fish that live in shallow waters are more vulnerable to UV-B radiation.(生活在浅水区的鱼类更容易受到UV-B辐射的影响。)

5. Excessive exposure to UV-B radiation can cause skin aging and wrinkles.(过量接触UV-B辐射会导致皮肤老化和皱纹。)

6. Many plants have developed mechanisms to protect themselves from UV-B radiation.(许多植物已经发展出了保护自己免受UV-B辐射的机制。)

7. UV-B radiation can break down the chemical bonds in plastic materials and cause them to degrade.(UV-B辐射可以塑料材料中的化学键,并导致它们分解。)

8. The amount of UV-B radiation that reaches the earth's suce varies depending on the latitude and altitude.(到达地球表面的UV-B辐射量会因纬度和海拔高度的不同而有所不同。)

9. Some flowers have evolved to reflect UV-B radiation to attract pollinators such as bees.(一些花卉已经进化出了反射UV-B辐射的能力,以吸引蜜蜂等传粉者。)

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