资料来源 : pyDict

由两部分组成的,双器官的

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

Dimerous \Dim"er*ous\, a. [Gr. di- = di`s- twice + ? part.]
   Composed of, or having, two parts of each kind.

   Note: A dimerous flower has two sepals, two petals, two
         stamens, and two pistils.