uvb [ˌju: vi: ˈbi:]

例句:

• Add a fluorescent UVB bulb to runtotal length of the enclosure.
  还需要添加与饲养箱等长的UVB灯管.
  
• The sun's UVA and UVB rays damage skin differently.
  UVA和UVB对皮肤的侵害是不同的.
  
• Just as UVA, UVB can also reduce the B - form DNA components.
  与UVA情况相似, UVB在 一定程度上也能使DNA的B型构像减少.
  
• But UVB rays vary greatly depending on latitude, cloud cover, time of year and time of day.
  来自WSJ
• People may also think SPF fully protects against sun damage, but it really only measures UVB protection.
  来自MSN