相對論
theory of (general) relativity (20世紀(jì)初由愛因斯坦等建立和發(fā)展起來)
愛因斯坦這樣描述～：“把你的手放在火爐上一分鐘，似乎長達(dá)一小時；與一位漂亮的姑娘在一起坐一小時，似乎只有一分鐘。這就是～?！盓instein described relativity this way:“Put your hand on a hot stove for a minute,and it seems like an hour.Sit with a pretty girl for an hour,and it seems like a minute.That’s relativity.”