ㄌㄨㄛˊluóㄒㄩㄢˊxuánㄊㄧˇ

  1. 微生物螺旋狀不具鞭毛細胞壁沿數目以上一端前端收縮放鬆可以使運動梅毒螺旋體

Spirochaetes, phylum of extremophile bacteria, spiral-shaped bacterium, e.g. causing syphilis