单词 sporosac 释义 sporosac Zool.[f. sporo- + sac2.]A simple form of gonophore.1859Annals Nat. Hist. IV. 140 These medusiform sporosacs.1861J. R. Greene Man. Anim. Kingd., Clent. 40 The simplest kind of gonophore consists of a well-defined protuberance f...
