又係少少高中回憶😂 當年physics quiz一題好正既「太空電梯」問題。😝 （我當年physics阿sir係一個超級高達fans😂） Tags: 11 comments 24 likes 0 shares Share this: 史丹福狂想曲 About author not provided 5816 followers 5189 likes "http://drstanford.blogspot.hk/" View all posts