| 释义 |
operculum/ə(ʊ)ˈpɜ:kjʊləm/n. (pl. opercula /-lə/) 1 Zool. 【动】a a flaplike structure covering the gills in a fish (鱼的)鳃盖骨 b a platelike structure closing the aperture of a gastropod mollusc's shell when the organism is retracted 厣(腹足纲软体动物的一种盘状结构，在收缩时起闭合作用) c any of various other parts covering or closing an aperture, such as a flap over the nostrils in some birds (一些鸟类鼻孔上的)盖 2 Bot. a lidlike structure of the spore-containing capsule of mosses 【植】(苔藓的)孢蒴 □ opercular adj.□ operculate /-lət/ adj.□ operculi- comb. form [构词成分][Latin from operire ‘cover’] |