載入中... 相關課程 Back 2-2觀念01電子的排列 序言:週期表旅館 1 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 2-2觀念01電子的排列 序言:週期表旅館 1 上傳學習單 下載學習單