round-trip ticket[交] 往返票;往返机票;[交] 来回票;[交] 往返车票
round-trip contract平仓合约
Round-Trip Time[交] 航程往返时间;时间;来回时间
round-trip conversion回转码
Round-Trip workflows往返工作流程
Round-trip airfares含往返机票;飞机往返
round -trip ticket往返票
round-trip words双程词语
Round - trip delays回路延时
N-COUNT（可数名词） 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。
ADJ（形容词） 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。