pin.worm
n.（名词）Any of various small nematode worms of the family Oxyuridae that are parasitic on horses, rabbits, and other mammals, especiallyEnterobius vermicularis, a species that infests the human intestines and rectum. Also called threadworm 蛲虫：一种蛲虫科的小线虫，是马、兔和其它哺乳动物的寄生虫，特别指 Enterobius vermicularis， 能侵入人的大肠和直肠 也作 threadworm
