a dead dog

例句：

1. 1. Thedog was a good watchdog for theneighborhood.
   这只狗是这个社区的好看门狗。
2. 2. The dog died of old age.
   这只狗因年老而死。
3. 3. The dogwas found dead in the street.
   这只狗被发现死在街头。