螺旋菌

例句：

1. 1. The bacteria that causes strep throat is called a spirochete.
   引起咽喉炎的细菌被称为螺旋体。
2. 2. Spirochetes are common in soil and water, where they can cause diseases.
   螺旋体在土壤和水中很常见，它们可以引起疾病。
3. 3. Researchers have found that some strains of spirochetes can be used as antibiotics.
   研究人员发现某些螺旋体的菌株可以作为抗生素使用。