It is concluded that there is a former island arc in central Altyn Tagh and an ocean basin in the north of the old island arc before Mesoproterozoic Era.是什么意思_It is concluded that there is a former island arc in central Altyn Tagh and an ocean basin in the north of the old island arc before Mesoproterozoic Era.在線翻譯_英語_讀音_用法_例句