1 N-COUNT 往返旅行;来回旅程 If you make a
round trip, you travel to a place and then back again.
往返旅行;来回旅程 2 ADJ [ADJ n] (火车票、汽车票、飞机票等)往返的,来回的 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.
(火车票、汽车票、飞机票等)往返的,来回的 [US] -
Mexicana Airlines has announced cheaper round-trip tickets between Los Angeles and cities it serves in Mexico.
墨西哥航空公司已经宣布出售从洛杉矶到墨西哥各城市之间航班的低价往返机票。
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...the lowest round-trip fare available between Washington and Dallas.
往返华盛顿和达拉斯的最低票价
in BRIT, use 英国英语用 return