operculum
әu'pә:kjulәm
基本解释
n. 叶盖, 鳃盖骨
[医] 盖, 岛盖, 盖(昆虫), 厣(软体动物), 鳃盖(鱼)
英文释义
n. a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
词形变化
上一个单词：operculiform
下一个单词：operculums