載入中... 相關課程 Back constantly: 不斷地, constant, 不斷的 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. constantly: 不斷地, constant, 不斷的 上傳學習單 下載學習單