earth·worm /-ˌwɝm/
 蚯蚓


 Earth·worm n.
 1. Zoöl. Any worm of the genus Lumbricus and allied genera, found in damp soil. One of the largest and most abundant species in Europe and America is L. terrestris; many others are known; -- called also angleworm and dewworm.
 2. A mean, sordid person; a niggard.

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 earthworm
      n : terrestrial worm that burrows into and helps aerate soil;
          often surfaces when the ground is cool or wet; used as
          bait by anglers [syn: angleworm, fishworm, {fishing
          worm, wiggler, nightwalker, nightcrawler, crawler,
           dew worm, red worm]