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找不到喜歡的影片嗎?你也能自己匯入影片喔
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88:12
從太空俯瞰二戰【英字 available】(歷史頻道)
247
B1
65:31
Hillary Clinton Fireside Chat | Talks at Google
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Authors@Google: Jennifer Egan
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Introduction to Chemical Biology 128. Lecture 06. DNA Reactivity with Small Molecules.
187
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National Day Rally 2015 English Speech
251
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59:22
Fun is the Future: Mastering Gamification
355
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CS50 for Lawyers 2019 - Cybersecurity
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How The Times Makes Visual Investigations | NYTimes
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81:43
7. Technical Challenges
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2016 Personality Lecture 14: Final
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34. Radiation Hormesis
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