资料来源 : pyDict

水螅似的

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

Polypoid \Pol"y*poid\, a. [Polyp + -oid.]
   1. (Zo["o]l.) Like a polyp; having the nature of a polyp, but
      lacking the tentacles or other parts.

   2. (Med.) Resembling a polypus in appearance; having a
      character like that of a polypus.