n.来回;往来;交通
You can go and come back on the same day. 你可以当天来回。
It takes me an hour to walk there and back. 我步行一个来回用一小时。
Steamers run every day between Qingdao and Dalian. 青岛和大连间每天都有轮船往来。
This did not interrupt his comings and goings with her. 这并没有打断他和她的往来。
I don't like to go out during the rush hour. 我不愿意在交通高峰时间出去。