pipe used for shells

例句：

1. 1. The old man uses a pipeto smoke his pipe tobacco.
   老人用一根烟斗抽烟。
2. 2. The children are playing withtheir pipes in the park.
   孩子们在公园里用他们的烟斗玩耍。
3. 3. The pipeis too small for my mouth.
   这个烟斗太小了，不适合我的嘴巴。