| 单词 | pinworm | 
| 释义 | pin·worm    (pĭnwûrm′)n.  Any of various small nematode worms of the order Oxyurida that are parasitic in vertebrates and certain invertebrates, especially Enterobius vermicularis, a species that infests the human intestines. Also called  threadworm.  | 
	
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