往返飞行 meaning in English

out and return flight
out-and-return flight
round-trip flight

And mckinnon ' s willing to take over my shuttle flights
麦金农愿意接替我的往返飞行任务
It was seventeen years later before an airplane made a round - trip flight across the atlantic
而飞机跨越大西洋进行往返飞行则是在17年以后才实现的。
If a bird , flying at 25mph , leaves from los angeles at the same time as the train and flies back and forth between the two trains until they collide , how far will the bird have traveled
如果一只每小时飞行25英里的鸟同时离开洛杉矶，在两列火车之间往返飞行，请问当两列火车相遇时，鸟飞了多远？