1、步行一狗
My uncle was badly hurt in the accident » 我叔叔被严重伤害的意外 walk a dog » 步行一狗 On hearimg the news,they cannot help jumping for joy » 关于hearimg的消息,他们不能帮助雀跃 ..
2、走一只狗
Do not cry » 不要哭 walk a dog » 走一只狗 How much maintenance is required to keep them operating at a high level? » 需要多少维护，让他们在一个高层次的经营？