odor

n.(=odour)气味，臭气；香味

octogenarian, octopus, ocular, oculist, odd, odd job man, odd jobs, odd-looking, oddball, oddity, oddly, oddment, oddness, odds, odds-on, ode, odious, odiousness, odium, odometer, odorous, odour, odour (US odor), odourless, odyssey, OECD, oecumenical, Oedipus complex, oesophagus (also esp US esophagus), oestrogen, of, of all time, of course, of importance, of itself, of late years, of necessity, of one's own, of the moment, of...importance,