dual lead cylin-drical worm

例句：

1. 1.The dual lead cylin-drical worm is a common parasite found in many freshwater environments.
   双头螺旋形蠕虫是一种常见的淡水环境中的寄生虫。
2. 2.The research on the dual lead cylin-drical worm has led to new insights into the ecology of these organisms.
   对双头螺旋形蠕虫的研究已经为这些生物的生态学提供了新的见解。
3. 3. The dual lead cylin-drical worm is responsible for the spread of disease in certain areas.
   双头螺旋形蠕虫在某些地区负责疾病的传播。