3 sentences

1. 救援人员正在海里打捞沉船的残骸。

   jiù​yuán rén​yuán zhèng​zài hǎi lǐ dǎ​lāo chén​chuán de cán​hái.

   Rescue workers are salvaging the wreckage of the sunken ship from the sea.

   Source: Dong Chinese Dictionary

2. 潜水员在海底发现了一艘古老的沉船。

   qián​shuǐ​yuán zài hǎi​dǐ fā​xiàn le yī sōu gǔ​lǎo de chén​chuán.

   Divers discovered an ancient shipwreck on the seabed.

   Source: Dong Chinese Dictionary

3. 这次沉船事故是由强风暴引起的。

   zhè cì chén​chuán shì​gù shì yóu qiáng fēng​bào yǐn​qǐ de.

   The shipwreck was caused by a powerful storm.

   Source: Dong Chinese Dictionary