operculum
operetta operettist operon operose operoseness ophidian ophidism ophiocephalous ophiolater ophiolatrous ophiolatry ophiologic ophiological ophiologist ophiology ophiomorphous ophiophagous ophite ophitic ophitism ophiuroid ophthalmia ophthalmic ophthalmitis ophthalmocele ophthalmogyric ophthalmological ophthalmologist ophthalmology |
operculum /ou'pə:kjuləm/
danh từ, số nhiều opercula
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