他能在池里游三趟。

He can swim three laps in the pool.

老师给同学们讲了一个小故事，说有一个人早饭前要在河里游泳，横渡三趟。

The teacher told the class the story of a man who swam a river three times before breakfast.

西尔维亚去超市购物，一趟，两趟，三趟。身上坠着购物袋，眯缝着眼看着购物单，她从鲜肉部挤到奶制品部又到百货部。

Sylvia went to the supermarket. Once twice, thrice. Festooned with shopping bags, peering at lists, she fought her way from Fresh Meat to Dairy to Household Goods.