round trip

柯林斯词典

1. N-COUNT If you make a round trip, you travel to a place and then back again. 往返旅行
The train operates the 2,400-mile round trip once a week. 这列火车每周进行一次2400英里的往返旅行。
2. ADJ A round-trip ticket is a ticket for a train, bus, or plane that allows you to travel to a particular place and then back again. 往返的[美国英语] [ADJ n]
Mexicana Airlines has announced cheaper round-trip tickets between Los Angeles and cities it serves in Mexico. 墨西哥航空公司已宣布降价出售从洛杉矶到该公司设有航班的墨西哥各城市的往返机票。