a lucky dog

例句：

1. 1. The little dog was so lucky to have found a bone under the sofa.
   那只小狗很幸运地在沙发下找到了一块骨头。
2. 2. She adopted a lucky dog from the shelter and has been its guardian ever since.
   她从收容所领养了一只幸运的狗，从那以后一直担任它的监护人。
3. 3. The owner of the lucky dog was overjoyed to see it return home after being away for months.
   这只幸运的狗的主人看到它离家几个月后回来时非常高兴。