1·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。
—— 《柯林斯英汉双解大词典》
2·It's 30 miles round trip to work.
上班要走往返30英里的路程。
—— 《牛津词典》
3·We did the round trip in two hours.
我们两小时打了个来回。
—— 《牛津词典》
4·The six hour round trip shows that I have the ability to have all the things I want.
六个小时的往返表明我有能力拥有所有我想要的东西。
5·If you can fly on a Tuesday or Wednesday, and buy your tickets at least 21 days in advance, I suggest you book a round trip excursion flight.
如果你能在周二或周三坐飞机，并且至少提前21天购票，我建议你预订往返短途航班。
6·A use case transaction is a "round trip".
用例事务是一个“环形的路线”。
7·It made the round trip of 300 miles in 62 hours.
它花了62小时完成了300英里往返航行。
8·By executing this round trip, the test exercises.
通过执行此往返过程，该测试运用了。
9·Each network round trip to the database server is expensive in terms of performance.
每个从网络到数据库服务器的往返行程从性能角度来看是昂贵的。
10·Another problem is that it's hard for tool vendors to create a loss-less round trip.
另外一个问题是工具厂商很难创建一个支持无损双向工程的工具。