nemathelminthiasis

例句：

1. 1.The nematode worms are the cause of many diseases in humans and animals.
   线虫是导致人类和动物许多疾病的原因。
2. 2. The nematode worms have been found to be responsible for the spread of disease.
   发现线虫是疾病传播的原因。
3. 3. Researchers are studying the effects of nematode worms on plant growth.
   研究人员正在研究线虫对植物生长的影响。