He was often thus when communing with himself on board ship in the quietude of the night.

当他在寂静的夜里在船上自言自语时，他常常是这样。

youdao

The captain refused to leave his sinking ship while there were others on board.

在船上还有其他人的时候， 船长不肯离开正在下沉的船。

《新英汉大辞典》

When I started for my second voyage to England, I made the acquaintance on board ship of Asutosh Chaudhuri.

我第二次动身去英国的时候，在船上认识了阿苏托什•乔杜利。

youdao

He says he is a pirate on board the cargo ship al-Mizan, which was seized by pirates.

VOA: standard.2009.11.10

But Ahmed the alleged pirate whose phone number was given to VOA by the agent operating the ship, says no arms are on board.

VOA: standard.2009.11.10

Some of the passengers on board the ship described hearing a horrendous noise as the ship struck rocks at about 21:30 (20:30 GMT) on Friday.

BBC: Costa Concordia cruise ship captain 'went off course'

By doing so, it could actively monitor the power grid on board the ship to ensure that it did not get overloaded at any time.

ECONOMIST: MONITOR

Officials said all nine members of the crew arrested on board the ship were Ghanaians who were immediately turned over to the Liberian police.

BBC: RELATED BBC SITES