英汉词典

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