短語詞組短語frontal operculum 額葉島蓋pretarsal operculum 前跗節(jié)蓋trophoblastic operculum 繙譯;滋養(yǎng)層蓋orbitale operculum 繙譯operculum genetalis 生殖厴fromtoparietal operculum 額頂島蓋operculum frontale 額葉島蓋genital operculum [無脊椎]生殖厴occipital operculum 枕蓋;繙譯 返回 operculum