載入中... 相關課程 Back 3-2例題04牛頓第二運動定律的實驗 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. 3-2例題04牛頓第二運動定律的實驗 上傳學習單 下載學習單