o开头的单词

orotic acid orotate phosphoribosyltransferase orosomucoid oropharynx oropharyngeal orontium Orono orometer orology orologist orological oroide orography orographic orogeny orogenic Ornithorhynchus Ornithorhynchidae ornithopter ornithopod ornithomancy ornithology ornithologist ornithological ornithologic ornitho- ornithischian ornithine transcarbamylase ornithine transcarbamoylase ornithine ornithic ornithes ornis ornery orneriness ornateness ornately ornate ornaments ornamenting ornamented ornamentation ornamentally ornamentalist ornamental tree ornamental ornament ORN Ormuzd ormolu ormer Orme Orly orlop orlon orlo Orleans orle Orlando Orland orkney ork Oriya orison orismology Oriska Orion Orioles oriole Oriol orinoco Orinda orinasal orillon origins originator originative origination originating originates originated originate in originate from... originate from originate Originals originally originality original version original sin Original Score original sample original research original meaning original impulse original equation original currency original copy original carrier original budget original origin of species origin origanum origan origami oriflamme Orifices orifice orients orienting orienteering oriented orientations orientation meeting orientation orientating orientated orientate oneself orientate orientalist orientalism oriental orient to orient oriel Orick oribis oribi oribatid orgy orgulous orgue orgies orgie orgiastic orgiac orgeat orgastic orgasmic orgasm Orgas organzine organza organum organule organs organotherapy organophosphate organon organometallic organology organoleptic organogenesis organo organizing organizes organizers organizer organized crime organized administration organized organize organizations organizationally organizational stress organizational politics organizational orientation organizational merger organizational level organizational function organizational diagnosis organizational commitment organizational organization-centered career planning organization structure organization size Organization of the Petroleum Exporting Countries Organization of the Islamic Conference Organization of central American States Organization of Arab Petroleum Exporting Countries Organization of American States Organization of African Unity organization goal Organization for Economic cooperation and Development organization environment organization character organization change and development organization organist Organisms organismic organismal organism organiser organised organise organisational organisation organification organics organicism organically-grown organically organic vegetable organic product organic matter organic material organic food organic farming organic compound organic chemistry organic acid organic organelle organdy organdie organa organ stop organ grinder organ donor organ bank organ org orfray orfe orf Orestes ORES oreortyx oreography oreo Oren Orem oreide oregonian oregon oregano orectic orebody oread ore ordure ordovician ordonnance ordo ordnance ordines Ordinator ordination