资料来源 : pyDict

最中间的;正中的

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

Middlemost \Mid"dle*most`\, a. [Cf. {Midmost}.]
   Being in the middle, or nearest the middle; midmost.

资料来源 : WordNet®

middlemost
     adj : being in the exact middle [syn: {midmost}]