MULE

例句：

1. 1. The mule pulled the cart up the hill.
   这头骡子把车拉上了山。
2. 2. She rode a mule to school every day.
   她每天骑着骡子上学。
3. 3. The mule was used for transportation in ancient times.
   在古代，骡子被用于运输。