Is that a one-way or round trip?

单程票还是往返票？

Would you like one way or round trip?

您想要单程的还是往返的呢？

Pretty quick round trip to Iraq. Tell us about it.

这趟往返伊拉克的行程非常简短。请你介绍一下。

That year, the Hindenburg made 17 intercontinental round trips carrying passengers.

那一年，兴登堡号进行了17次洲际往返旅行。

That's about the same distance as 337 round trips from Earth to Pluto.

这相当于从地球到冥王星往返337次的距离。

That’s about the same distance as 337 round trips from Earth to Pluto.

这相当于从地球到冥王星往返337次的距离。

And to get to large stores, you need to take a two-hour round trip.

要到大卖场，来回还得花上两个小时。

It will take astronauts at least 500 days—round trip—to travel to Mars, and back home.

宇航员到达火星并返回地球至少要花费500天时间。

One round trip between Vancouver and New York emits about half a ton of greenhouse gases.

温哥华和纽约之间的一次往返会排放大约半吨温室气体。

The inescapable conclusion is that these mastodons migrated, making a round trip of more than 400 miles every year.

这些乳齿象每年都进行400多英里的往返迁移。