| 释义 |
〔operculum〕A lid or flap covering an aperture, such as the gill cover in some fishes or the horny shell cover in snails or other mollusks.鳃盖:覆盖在一孔或缝隙上的盖,如一些鱼类的鳃或覆盖在蛇或其它软体动物身上的角质壳〔pumpkinseed〕A North American sunfish(Lepomis gibbosus) having a rounded, mostly orange body with a bright red spot on each gill cover. 瓜仁太阳鱼:北美洲的一种有桔色的圆体且每侧鳃盖上有一红色亮点的太阳鱼(驼背鳞鳃太阳鱼) |