nemertean /ˈnɛməˌtaɪn/ (also nemertine)

• 1. 

  N any soft flattened ribbon-like marine worm of the phylum (or class) Nemertea (or Nemertina), having an eversible threadlike proboscis 纽形动物门动物 (Also called ribbon worm)

• 2. 

  ADJ of, relating to, or belonging to the Nemertea 纽形动物门的