4 sentences

1. 我们发现了一些残骸。

   wǒ​men fā​xiàn le yī​xiē cán​hái.

   We found some debris.

   Source: OpenSubtitles

2. 救援人员在现场清理飞机的残骸。

   jiù​yuán rén​yuán zài xiàn​chǎng qīng​lǐ fēi​jī de cán​hái.

   Rescue workers are clearing the aircraft wreckage at the site.

   Source: Dong Chinese Dictionary

3. 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

4. 考古学家在洞穴中发现了史前生物的残骸。

   kǎo​gǔ​xué​jiā zài dòng​xué zhōng fā​xiàn le shǐ​qián shēng​wù de cán​hái.

   Archaeologists discovered the remains of prehistoric creatures in the cave.

   Source: Dong Chinese Dictionary