uva

例句:

• 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.
  
• In recognition of this increasing awareness, many sunscreens now contain UVA blockers.
  随着人们对这方面的加深了解, 现在许多防晒油都包含了防UVA剂.
  
• Sunlamps and tanning beds emit UVA rays that give customers a glow without a sunburn.
  来自CNN
• Under proposed FDA regulations, a four-star rating system for UVA protection will be added alongside SPF.
  来自MSN
• Although currently marketed "broad spectrum" sunscreens do offer protection against UVA rays, there is currently no standard.
  来自WSJ