返航的英文：
return to the point of departure
course reversal
go on the homeward voyage
make a return voyage
make a return flight
return to base
return to port

参考例句：

Departure times on reverse
返航时间

This ship is outward bound/homeward bound,ie sailing away from/towards its home port.
这只船是在出航返航。

The steamship veered around for the port
轮船掉头返航。

The gauge recorded the radiation level and announced it safe to return home.
测量仪记录了辐射级，显示可以安全返航。

On the return voyage, shelley's yacht capsized in a sudden squall
在返航途中，雪莱的游艇被突然袭来的狂风暴雨所倾复。

After returning from the Arctic Ocean, the ship was laid up for repairs.
船从北冰洋返航以后就入坞修理。

The trial pilot is heading triumphantly for home.
那个试飞飞行员正向基地胜利返航。

These big ships need half a day to rune round.
这些大船要用半天时间准备返航。

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

departure是什么意思：
n. 离开；出发；违背；辞职

The cold weather antedated their departure.
寒冷的天气使他们提前离开。

We apologise for the late departure of this flight.
本航班延误离境，谨致歉意。

His sudden departure was a disadvantage to the campaign.
他的突然离去对竞选造成不利影响。