odometer

n.(车辆等的)里程计

October, octogenarian, octopus, ocular, oculist, odd, odd job man, odd jobs, odd-looking, oddball, oddity, oddly, oddment, oddness, odds, odds-on, ode, odious, odiousness, odium, odor, 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,