Home/geocoronageocorona/jee-oh-kuh-roh-nuh/US // ˌdʒi oʊ kəˈroʊ nə //地铁,地震,地铁站,地质学家Definitionsn.名词 noun1: a belt of ionized hydrogen surrounding the earth at the outer limit of the exosphere.Level 4Browse all words →