蛔 ㄏㄨㄟ ˊ huí 虫 ㄔㄨㄥ ˊ chóng 蛔 ㄏㄨㄟ ˊ huí 蟲 ㄔㄨㄥ ˊ chóng roundworm (Ascaris lumbricoides), a human parasite