okay

a./ad.对，好，可以 n.同意，许可

oil, oil rig, oil slick, oil well, oil-bearing, oil-colour (also `oil-paint), oil-fired, oil-painting, oil-palm, oil-tanker, oilcake, oilcan, oilcloth, oiled, oilfield, oiliness, oilskin, oily, ointment, okapi, okay (also OK), okey, okra, old, old age, old boy, old boy (fem 阴性作 `old girl), Old English, old fogey (US old fogy), old folk, old folks' home, old girl, Old Glory, Old Harry (also Old Nick, Old Scratch), old lady, old lag, old maid, old man, old man's beard, old master,