This book tells the story of a little kangaroo who wakes up unhappy in the morning. His mother tries everything to make him feel better. However, nothing can change his mood. The little kangaroo is too lazy to even grin, so what will happen if he jumps high and rushes into the mud?
本书讲述：小袋鼠一早醒来就不开心，妈妈想尽办法让他感觉好一些。但是，没有什么能改变他的心情。小袋鼠甚至都懒得咧嘴笑一下，那么，来一个高高的跳跃，直冲入泥潭里去，会怎么样呢。
本书讲述：小袋鼠一早醒来就不开心，妈妈想尽办法让他感觉好一些。但是，没有什么能改变他的心情。小袋鼠甚至都懒得咧嘴笑一下，那么，来一个高高的跳跃，直冲入泥潭里去，会怎么样呢。
