載入中... 相關課程 Back L8 發音(a e i o u + ? + e) 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. L8 發音(a e i o u + ? + e) 上傳學習單 下載學習單