otter

n. 水獭,水獭皮

ostentation, ostentatious, ostentatiously, osteo-arthritis, osteopath, osteopathy, ostler, ostracism, ostracize, ostracize, ostracise, ostrich, OT, other, other from, other than, other-directed, other-worldly, others, otherwise, otiose, ottoman, OU, oubliette, ouch, ought, ought to, Ouija, ounce, our, ours, ourselves, oust, out, out of, out of breath, out of control, out of danger, out of date, out of debt, out of doors,