资料来源 : pyDict

后无节幼体

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Metanauplius \Met`a*nau"pli*us\, n. [NL. See {Meta-}, and
   {Nauplius}.] (Zo["o]l.)
   A larval crustacean in a stage following the nauplius, and
   having about seven pairs of appendages.