柯林斯词典roundworm /ˈraʊndˌwɜːm/ (roundworms) 1. N-VAR A roundworm is a very small worm that lives in the intestines of people, pigs, and other animals. 蛔虫 返回 roundworm剑桥词典any of various types of creature with a round body that can live in the bowels of people and some animals , and often cause disease 线虫；蛔虫 返回 roundworm