roundworm
/ˈraʊndwɜːm/noun
1- a nematode worm, especially a parasitic one found in the intestines of mammals圆虫, 线虫; 蛔虫。
1.1
- Many species in the class Phasmida, including the large Ascaris lumbricoides in humans.尾感器纲中多种, 包括人体内的大似引蛔线虫。