ozone hole

名词 n.
中文释义

英文释义

名词 n.
  1. A region of the stratosphere over Antarctica (and a smaller one over the Arctic) that is depleted of ozone in the local spring.
    — Callis says that the ozone hole now developing over the Antarctic is as deep as last year's hole, but seems to cover a smaller area.

词形变化

ozone holes plural
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