holothuroids

例句：

1. 1. Holothuroids arefascinating creatures that can change color and shapeto blend in with their surroundings.
   水母类动物是令人着迷的生物，它们可以改变颜色和形状以融入周围环境。
2. 2. The discovery of new speciesof holothuroids has sparkedexcitement among scientists.
   发现新的水母类物种引起了科学家的兴奋。
3. 3. Holothuroids are found invarious marine habitats, includingcoral reefs and deep-seatrenches.
   水母类动物分布在各种海洋栖息地中，包括珊瑚礁和深海沟壑。