nematodes of wheat

例句：

1. 1. Thenematodes are the larvaeof the worms.
   这些线虫是蠕虫的幼虫。
2. 2. The nematodes are a common cause of foodpoisoning.
   这些线虫是食物中毒的常见原因。
3. 3. The nematodes werefound in the soil samples collected from thefarm.
   在从农场收集的土壤样本中发现了线虫。