蛔 (huí): roundworm; ascarid (intestinal…

Meanings

孩子不洗手容易感染蛔虫。

Háizi bù xǐshǒu róngyì gǎnrǎn huíchóng.

Children who don't wash their hands easily catch roundworms.

蛔虫寄生在人的肠道里，危害健康。

Huíchóng jìshēng zài rén de chángdào lǐ, wēihài jiànkāng.

Roundworms live in the human intestines and harm health.

usage

蛔 appears only in 蛔虫, the roundworm, a common intestinal parasite especially in children. Good hand hygiene prevents infection.

radical

虫 chóng

insect; worm

虫 is the insect/worm radical, marking 蛔 as a parasitic worm.

phonetic

回 huí

to return; to circle

回 gives the exact sound huí. Its coiled, looping shape also faintly suits a curling worm, though it is chosen mainly for the sound.

蛔 huí