Echinodermata

例句：

1. 1. The discovery of a new species of sea snail has sparked excitement among scientists.
   科学家发现一种新种类的海蜗牛，引起了轰动。
2. 2.Echinoderms are found in all oceans and seas around the world.
   棘皮动物遍布全球所有海洋和海域。
3. 3.Echinoderms have been used as tools for thousands of years due to their unique properties.
   由于其独特的性质，棘皮动物被用于数千年的工具制作。