主持人Mike Bond和杨琳带你走进他们幽默搞怪的日常生活，带你边玩边学地道美语!今天大家来到华盛顿国家动物园，特地来看熊猫美香!

1.活地图: walking map;

2.狗改不了吃屎: a leopard can't change its spots;

3.记忆力惊人: have a memory like an elephant;

4.除非母猪上树：do something when pigs fly