statocyst

例句：

1. 1.The statocyst is a type of parasitic insect that feeds on the blood of other animals.
   节瘤虫是一种寄生昆虫，以其他动物的血液为食。
2. 2.The statocyst is responsible for transmitting diseases from one host to another.
   节瘤虫负责将疾病从一个宿主传播到另一个宿主。
3. 3. The statocyst plays an important role in the ecosystem by consuming plant material and providing food for other organisms.
   节瘤虫在生态系统中起着重要作用，通过消耗植物材料并为其他生物提供食物。