There are two restaurants on board ship.

船上有两个餐厅。

《牛津词典》

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

Why is the two-stroke engine widely used on board ship?

为什么是二冲程发动机被广泛使用在船上？

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

Phillips told the FBI agent that Muse was the first to board his ship and, in his words, "conducted himself as the leader of the pirates" Phillips said while the pirates held him hostage aboard the lifeboat, Muse told him he had hijacked other ships before.

VOA: standard.2009.04.22

He says the simple gratitude of the patients makes up for the long hours of surgery on board ship.

BBC: NEWS | Health | ''Floating hospitals' mercy missions'

As we know, non-robotic women on board ship are bad luck.

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The idea is if pirates manage to board a ship, a report will immediately be broadcast.

FORBES: How Is The Shipping Industry "Pirate Proofing" Their Fleets?