常见例句Already in the 1800's, Sir William Thomson and professor Hugh Blackburn experimented by rotating eggshaped stones found on the beach. 十八世紀時，SirWilliamThomson與HughBlackburn教授，經過對沙灘上鏇轉的雞蛋形石頭的實騐，他們發現與神奇陀螺的特性類似。 返回 eggshaped