ozone layer

名词 n.
中文释义
英 /ˈəʊzəʊn ˌlɛə/|/-ˌleɪə/    美 /ˈoʊzoʊn ˌleɪəɹ/

英文释义

名词 n.
  1. A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone, which absorbs most solar ultraviolet radiation.

词形变化

ozone layers plural
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