The injured dog had some difficulty going home.Every step he took, he slipped back two. However, he still manage to get home. How did he do it?
英
美
- 受了伤的小狗回家无比艰难,他每向前走一步,就得向后滑两步,但是就是这样他还是回到家了,请问他是怎样做到的?
