英汉词典

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