ozone hole

英 美
  • 臭氧洞
  • hole n.洞;孔;穴;漏洞;困境v.挖洞;掘坑;进洞
  • ozone n.臭氧;新鲜空气
Noun:
  1. an area of the ozone layer (near the poles) that is seasonally depleted of ozone

    1. She also got some of the first chemical measurements that showed man-made chlorofluorocarbons caused the hole.
      她还掌握一些先进的化学测量方法来说明臭氧洞是由人造含氯氟烃造成的。