猪嘴

例句：

1. 1. The pig's mouth was full of dirt.
   猪的嘴巴里满是泥土。
2. 2. The farmer had to clean the pig's mouth with a brush.
   农民不得不用刷子清理猪的嘴巴。
3. 3. The pig's mouth is very dirty, and it needs to be cleaned regularly.
   猪的嘴巴很脏，需要定期清洗。