opercula的翻译,读音
英/әj'p\\\\:kjjlә/
释义:
operculum的复数
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
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
