Haemonchus

例句：

1. 1. The doctor diagnosed him with a seriouscase of hookworm.
   医生诊断他患有严重的钩虫病。
2. 2. Hookworm isa common parasite that can cause severe healthproblems in children.
   钩虫是一种常见的寄生虫，可以导致儿童严重的健康问题。
3. 3.Regular deworming is important for preventinghookworm infections in children.
   定期驱虫对预防儿童钩虫感染很重要。