retina [ˈretənə]

例句:

• A laser beam...can weld a detached retina back into place.
  来自Daily Telegraph
• They cause swelling and bleeding which damages the retina.
  来自BBC
• If a person is short - sighted, images are focused in front of their retina.
  人如果近视的话, 图像就会聚焦在视网膜前方.
  
• The retina , the inner layer of the globe, consists of two portions.
  视网膜是眼球的内层, 包括两部分.
  
• The periphery of the retina is very sensitive to motion.
  视网膜的外围对运动非常敏感.
  
• Their input will help scientists understand how the retina functions.
  来自SA