載入中... 相關課程 Back cheerful: 使人感到愉快的, cheer, 歡呼;激勵 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. cheerful: 使人感到愉快的, cheer, 歡呼;激勵 上傳學習單 下載學習單