double-thread worm

例句：

1. 1. The double-threadworm is a common parasite that cancause serious health problems in humans.
   双线蠕虫是一种常见的寄生虫，可以对人类造成严重的健康问题。
2. 2.The double-thread wormhas been found to be resistant tomany antibiotics, making it difficult totreat.
   双线蠕虫被发现对许多抗生素具有抗药性，这使得治疗变得困难。
3. 3. The double-thread worm is responsiblefor the spread of diseases in humansand animals.
   双线蠕虫是人类和动物疾病传播的罪魁祸首。