单马马车

例句：

1. 1. The old man rode his single-wheeled cart to the market every morning.
   老人每天早上骑着他的独轮车去市场。
2. 2. The children were happily playing with their handcarts in the park.
   孩子们在公园里高兴地用他们的手推车玩耍。
3. 3. The farmer used a single-wheeled cart to transport his crops to the market.
   农民使用一辆独轮车来运输他的庄稼到市场上。