英汉词典

overriding overachiever odoriferous oneiric oxygenates osteopetrosis opusculum overrunning overstep overslaughing osteoma overstated occult overreach omens outright offline ombre outdoor osseous orthogonally orca occipital opaquely ossicular orchids outshone olds orogeny oboe outlays ozonosphere overshot offences olefin outraged oppilate offing orderer opines ostentation outnumber oriole obstructed orthostatic oothecae operably overshine outsize occupied overbearing overuse offprints osteomyelitis optimisation octave orthotropism orthophosphate overland outlearn operationism occasionalism optimization observations outbreed orcinol onomastics overzealous opinions optimum ornamentation ownerless overcivilized orangish oophorectomy occupancies ovals octroi overhand oregano ottomans outfield oyez offeror oot ordination oppressively ochlocracy oviducal ophthalmoscope outrank outcomes obsolescing obeah oncolytic orthotropic outlines obey oom overtopping