at sea

The ship touched at several ports on the return voyage.

船在返航途中曾在好几个港口停靠。

which had been searching the Barents Sea for weeks, was on its way home.

在巴伦支海搜寻了几个星期之后，正在返航途中。

The small ship, Elkor, which had been searching the Barents Sea for weeks, was on its way home.

小船“埃尔科”号在巴伦支海搜寻了几个星期之后，正在返航途中。

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。

on the outward/homeward voyage

在出航[返航]途中

But the cold was the worst part of the return trip.

但是，寒冷是返航途中最严重的问题。

He is homeward bound.=He is bound for home.

他在返国排的途中。

During the sea battle, a South Korean patrol boat hit by a North Korean patrol boat sank as it was being towed back.

在这次海战中，有一艘南韩巡逻艇遭北韩巡逻艇击中，在拖引返航途中沉没。

The ship turned about midway.

船在中途掉转了航向。

This ship is outward bound/homeward bound, ie sailing away from/towards its home port.

这只船是在出航[返航].

Where would the stopover be for the Oriental Flight?

东方航空公司航班中途要在哪儿停?

the point of no return point(on a long voyage,flight,etc at which fuel supplies,etc will not be sufficient for a return to the starting point,so that one must continue the journey in order to survive)

航线临界点（长途航行中之某处,燃料等不敷返回原地之用只得继续前进）.

They run short of money during the tour , and their return be Inevitable .

他们在旅途中用光了钱，因此返回是不可避免的。

during its voyage according to the Log Book.

在其途中，这是航海日志上所记载的。”

on passage;in transit

尚未下货，尚未卸船，在海上航行中，在运输途中

We have got to come back, we nearly stalled during the climb out, Cargo probably shifted in the rear hold.

我们得返航，在爬高过程中几乎失速，后货舱的货物很可能已移动了。

Radiofrequency catheter ablation of atrioventricular nodal reentrant tachycardia guided by magnetic navigation system

磁导航系统在房室结折返性心动过速导管射频消融中的应用

On the drive back to Great Baddow, Father and I discussed the meeting excitedly.

在开车返回大巴多的途中，父亲和我兴奋地谈论着这次会议。