资料来源 : pyDict

中果皮

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

Mesocarp \Mes"o*carp\, n. [Meso- + Gr. ? fruit.] (Bot.)
   The middle layer of a pericarp which consists of three
   distinct or dissimilar layers. --Gray.

资料来源 : WordNet®

mesocarp
     n : the middle layer of a pericarp