freshair school;openair school

同义词释义

1)fresh-air school;open-air school,露天学校2)open pit,露天3)open air,露天4)open-air,露天5)exposed to weather,露天6)the open air,露天7)Open-pit mine,露天矿8)open pit,露天矿山9)open-pit coal mine,露天煤矿10)open-air storage,露天贮存