V1ctor 分享 www.khanacademy.org/ This guy is incredible. - #bpeuq7 - Plurk

14 years ago

www.khanacademy.org/ This guy is incredible.

14 years ago

www.ted.com/talks/salman...

14 years ago

他的TED talk

14 years ago

小孟真的什麼人都知道耶！

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新崑崙浴池清潔工．傑德席得

14 years ago

14 years ago

這個好!