船上 + Noun/Verb Phrase
The phrase 船上 (chuán shàng) means "on the ship" or "aboard the vessel," combining the noun 船 (ship) with the localizer 上 (on, above). This is a standard way to indicate location on a boat or ship in Chinese. The pattern Noun + 上 is productive and applies to many surfaces and vehicles.
船上的乘客一共有三百多人。
chuán shàng de chéngkè yígòng yǒu sānbǎi duō rén.
There are more than three hundred passengers on the ship in total.
我们在船上看到了美丽的日落。
wǒmen zài chuán shàng kàn dào le měilì de rìluò.
We saw a beautiful sunset on the ship.
船上有餐厅,可以吃到新鲜的海鲜。
chuán shàng yǒu cāntīng, kěyǐ chī dào xīnxiān de hǎixiān.
There is a restaurant on the ship where you can eat fresh seafood.