Feliks Zemdegs , a 20-year-old commerce student at the University of Melbourne , tackled a Rubik 's cube puzzle at an event in Sydney and finished in 4.73 seconds .
20岁的菲利克斯·曾姆丹格斯是墨尔本大学一名商科学生,他在悉尼一场比赛中以4.73秒还原了魔方。