載入中... 相關課程 Back 【例題】八分之四條緞帶和二分之一條一樣長 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. 【例題】八分之四條緞帶和二分之一條一樣長 上傳學習單 下載學習單