3 sentences

1. 海带含有丰富的碘。

   hǎi​dài hán​yǒu fēng​fù de diǎn.

   Kelp is rich in iodine.

   Source: Dong Chinese Dictionary

2. 海带汤做好了吗？

   hǎi​dài tāng zuò hǎo le ma?

   Is the seaweed soup ready?

   Source: OpenSubtitles

3. 这间店铺专门经营带鱼、海带等各类水产品。

   zhè jiān diàn​pù zhuān​mén jīng​yíng dài​yú, hǎi​dài děng gè lèi shuǐ​chǎn​pǐn.

   This shop specializes in various aquatic products such as hairtail and kelp.

   Source: Dong Chinese Dictionary