載入中... 相關課程 Back S-7-3-S03_能理解線外一點到直線的最短距離與垂足的概念。 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. S-7-3-S03_能理解線外一點到直線的最短距離與垂足的概念。 上傳學習單 下載學習單