Above and below the galactic plain, in which Earth and our solar system reside, they detected an extremely thin, hot gas corona, or halo.是什么意思_Above and below the galactic plain, in which Earth and our solar system reside, they detected an extremely thin, hot gas corona, or halo.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句