4 sentences

1. 珊瑚礁是许多海洋生物的家园。

   shān​hú jiāo shì xǔ​duō hǎi​yáng shēng​wù de jiā​yuán.

   Coral reefs are home to many marine creatures.

   Source: Dong Chinese Dictionary

2. 嘿，我又给你做了一条珊瑚项链。

   hēi, wǒ yòu gěi nǐ zuò le yī tiáo shān​hú xiàng​liàn.

   Hey, I made you another coral necklace.

   Source: OpenSubtitles

3. 他含住吸管，低头观察水底五颜六色的珊瑚。

   tā hán​zhù xī​guǎn, dī​tóu guān​chá shuǐ​dǐ wǔ​yán​liù​sè de shān​hú.

   He held the straw in his mouth and looked down to observe the colorful coral at the bottom of the water.

   Source: Dong Chinese Dictionary

4. 潜水员在深海中发现了一大片五彩缤纷的珊瑚。

   qián​shuǐ​yuán zài shēn​hǎi zhōng fā​xiàn le yī dà​piàn wǔ​cǎi​bīn​fēn de shān​hú.

   Divers discovered a vast area of colorful coral in the deep sea.

   Source: Dong Chinese Dictionary