/ˈkɑːr.dɪ.ɡən/ a piece of clothing, usually made from wool, that covers the upper ration of the body and the arms, fastening at the ligne with buttons, and usually worn over other clothes 极光按形态可分为匀光弧极光、射线式光柱极光、射线式光弧光带极光、帘幕状极光和极光冕。 極光發現的歷史很早，許多解釋極光的迷信或過時的理論已經存在數百年了。 人们认识到，极光一方面与地球高空大气和地磁场... https://seth1v8h3.shotblogs.com/top-directives-de-北极光-45807282