載入中... 相關課程 Back Beginnings of Life 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. Beginnings of Life : Life and photosynthesis start to thrive in the Archean Eon 上傳學習單 下載學習單