Can the leopard change his spots是什么意思

Can the leopard change his spots是一句谚语”江山易改本性难移“。

　　eopard

　　[英][ˈlepəd][美][ˈlepərd]

　　n.豹; 美洲豹，金钱豹，花豹;

　　复数：leopards

　　例句：

　　1、We'll have a sneaker& “ air leopard ”

　　我们还推出一款运动鞋，“飞豹”牌。

　　2、In the nineteen seventies, George Schaller became one of two westerners to observe a snow leopard in Nepal.

　　夏勒成为在尼泊尔的2个西方人之一来观察雪豹。

　　3、Their quarry were rhinoceros, elephant, and leopard.

　　他们的猎物有犀牛、大象和豹子。