UV-B abbr. 紫外线b辐射(ultraviolet-b radiation)
- Sunglasses that provide 99 to 100 percent UV-A and UV-B protection will greatly reduce eye damage from sun exposure.
对紫外线A和紫外线B提供99%至100%保护的太阳镜,会大大减少由于暴露于太阳下所造成的眼损伤。 - Ozone is an important part of the upper atmosphere that protects both humans and ecosystems from harmful UV-B radiation.
臭氧层是高层大气的一个重要部分,保护人类和生态系统不受UV-B辐射的伤害。 - They found that red and blue shades performed better than yellow, particularly in blocking UV-B rays, which are the most harmful.
他们发现蓝色和红色防护紫外线能力强于黄色,尤其是对付人体伤害最强的中波紫外线(UV-B),效果更明显。