worm-cast

英['wɜːmk'ɑːst] 美['wɜːmk'ɑːst]
  • n.蚯蚓粪
  • casing n.套;罩;匣;盒;[经](石油)套管;包装动词case的现在分词.
  • worm n.虫;蠕虫v.蠕动;驱虫;慢慢获取
名词 wormcast:
  1. cylindrical mass of earth voided by a burrowing earthworm or lugworm

  2. fossil trail of a worm