strongyloid

例句：

1. 1. The strongylid parasites are responsible for intestinal infections in humans.
   钩虫寄生虫是人类肠道感染的罪魁祸首。
2. 2. The strongylid parasites can cause severe symptoms and complications in people with weakened immune systems.
   钩虫寄生虫在免疫系统较弱的人中可以引起严重的病症和并发症。
3. 3. Strongylid parasites are a major cause of malnutrition in children, particularly in developing countries.
   钩虫寄生虫是儿童营养不良的主要原因，尤其是在发展中国家。