匹

例句：

1. 1. The horse is very strong and can carry heavy loads.
   这匹马非常强壮，能承载重物。
2. 2. The mule is used for pulling carts and carrying goods.
   骡子用于拉动马车和搬运货物。
3. 3. Horses are popular in many countries for their speed and endurance.
   马匹在许多国家因其速度和耐力而受欢迎。