更多operculate例句

1. We are not aware that operculate asci have yet been detected.
2. External aperture of ear always very large, frequently excessive, simple or operculate.
3. Nostrils basal, round operculate, partially concealed by the reversed bristly feathers.
4. Operculate, furnished with a lid (Operculum), as the spore-case of Mosses, 163.