回程的英文：
1.return trip
2.backhaul（回程线路）

参考例句：

The return half of the ticket is good for three months.
回程票三个月内有效.

On our return trip, it rained heavily.
回程途中,天下起了瓢泼大雨。

Backhaul traffic: Goods carried on a return journey.
回运:货物的回程运输。

"Give me a second - class weekend return, please. "
请给我一张周末的回程的二等来回票。

I want a first-class open return.
我想要一张回程不定期的头等往返票。

Give me a second-class weekend return, please.
请给我一张周末回程的二等来回票。

"A two - week returns to Brighton, second-class, please. "
请订一去布赖顿的两星期回程的二等回票。

A two-week return to Brighton, second class, please.
请订一张去布赖顿的两星期回程的二等来回票。

For refreshment,there's just nothing that beat sip down a cool one on the train head home.
最能提神解劳的莫如在回程列车上喝杯冰啤酒。

return是什么意思：
v. 带回，放回，恢复，回到
n. 回来，归还，回报
adj. （票）双程的，往返的；（旅途）返回的，返程的

The return of a prodigal
回头浪子

Return ReceiptsSettings for requesting or returning receipts
返回收据有关收据的请求或返回有关的设置

To return disappointedly; defeated.
铩羽而归

trip是什么意思：
n. 旅行；行程；跌倒，失足；失误；轻捷的步伐
v. 绊倒；失足；使失误，使犯错误；轻快地走

The trip needs careful planning.
这趟行程需要周密计划。

The trip bushed us.
旅行使我们筋疲力尽。

They chartered a bus for the trip.
为这次旅行他们租了一部巴士。

backhaul是什么意思：
载货返航; 空载传输