a cheval

• 在马上

a cheval的用法和样例：

例句

1. Pat looks better outside of a horse than no foot.
   帕特骑在马上比步行更加神气。
2. Its rider was holding a pair of scales in his hand.
   骑在马上的手里拿着天平。
3. He ran up the stairs three at a time.
   他三级一跨地跑上了楼梯。
4. The bridge crosses the river in a single span.
   河上那座桥是单跨桥。