单词：operculum
音标：[әu'pә:kjulәm] ；
n. 叶盖, 鳃盖骨
[医] 盖, 岛盖, 盖(昆虫), 厣(软体动物), 鳃盖(鱼)
[医] 盖, 岛盖, 盖(昆虫), 厣(软体动物), 鳃盖(鱼)
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
词型变化：名词复数形式 : operculums
operculum的用法和样例：
词汇搭配
- valve of operculum盖瓣(介壳虫)...
- anal operculum肛盖
- ovum operculum卵盖
- genital operculum生殖厣
经典引文
The..'grandfather clock' pediment with its round operculum.
出自：Time