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drop in ozone

  • 臭氧减少：指大气中臭氧浓度的降低。

双语例句

  1. The chemical processes in which it is involved should work without hindrance, and ozone levels will drop.
    它涉及到的化学过程如果不受妨碍的话，空气中的臭氧含量就会下降。
  2. Scientists use "hole" as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units.
    科学家们用“空洞”一词表示臭氧浓度低于220个多布森单位（多布森单位是用来度量大气中臭氧柱尺度的单位。