pin·worm /-ˌwɝm/
  寸白蟲,蟯蟲
  pin·worm /ˈpɪnˌwɝm/ 名詞
  蟯蟲
  Pin·worm n. Zool. A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man. It is most common in children and aged persons.
  ◄ ►
  pinworm
       n : small threadlike worm infesting human intestines and rectum
           especially in children [syn: threadworm, Enterobius
           vermicularis]