rays [reɪz]

例句:

• X-rays have confirmed that he has not broken any bones.
  X光片证实他没有骨折。
  
• Children should have glasses which filter out UV rays.
  儿童应该戴上滤除紫外线的眼镜。
  
• I had to go back for my checkup; they'd lost my X-rays.
  我得回去再做一次体检。他们把我的X光片弄丢了。
  
• Does this mean that cosmic rays can produce cloud?
  来自BBC
• Occasionally, x-rays or special sleep studies are necessary.
  来自BBC
• We only discovered x-rays, ultraviolet and VLF recently.
  来自SA