載入中... 相關課程 Back elevator: 電梯, escalator, 電扶梯, box-shaped, lift, raise, elevate, 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. elevator: 電梯, escalator, 電扶梯, box-shaped, lift, raise, elevate, 上傳學習單 下載學習單