載入中... 相關課程 Back 2-3觀念07元素性質的趨勢-金屬性與非金屬性 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. 2-3觀念07元素性質的趨勢-金屬性與非金屬性 上傳學習單 下載學習單