2 sentences

1. 他在沙滩上捡到了许多漂亮的贝壳。

   tā zài shā​tān shàng jiǎn​dào le xǔ​duō piào​liang de bèi​ké.

   He found many beautiful shells on the beach.

   Source: Dong Chinese Dictionary

2. 他在海边捡到一个贝壳，发现里面有一颗珠子。

   tā zài hǎi​biān jiǎn​dào yī gè bèi​ké, fā​xiàn lǐ​miàn yǒu yī kē zhū​zi.

   He picked up a shell on the beach and found a pearl inside.

   Source: Dong Chinese Dictionary