larnacilla shell

例句：

1. 1.The seashells were collected from the beach.
   从海滩上收集了贝壳。
2. 2.The seashells were used as ornaments in ancient times.
   古代人们用贝壳作为装饰品。
3. 3.The seashells are a symbol of protection and wisdom.
   贝壳是保护和智慧的象征。