英汉词典

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