Ground-level ozone

constituent gas of the troposphere

en-US/ˈɡɹaʊnd - ˈlɛvəl ˈoʊˌzoʊn/
en-GB/ˈɡɹaʊnd - ˈlɛvl ˈəʊzəʊn/

カテゴリ：

ozone