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以上来源于: WordNet
N the hard bony flap covering the gill slits in fishes 鳃盖
N the bony plate in certain gastropods covering the opening of the shell when the body is withdrawn 藓盖
If you do, and must return your good wishes and happy operculum laugh!
如果你做到了,回报你的一定是美好的祝愿,幸福的笑厣!
Teeth covered by an operculum can be difficult to clean with a toothbrush.
被盲袋覆盖的牙齿很难用牙刷清理。
The contact between the operculum and the shell appears to be uneven but not indented.
卵盖与卵壳连接处虽不很整齐,但并不呈锯齿状。
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