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顯示第 11-12 筆資料 (共 12 筆)
25:59 11. Chemistry becomes reality. part I
2018-03-20
觀看人次: 1
"Stone Age when mankind first discovered fire. Early humans were fascinated by ways different objects react to burning, and developed the practice of alchemy. However, having failed to properly explai...
25:59 12. Chemistry becomes reality. part II
2018-03-27
觀看人次: 2
"Stone Age when mankind first discovered fire. Early humans were fascinated by ways different objects react to burning, and developed the practice of alchemy. However, having failed to properly explai...
