okapi

n animal of Central Africa, similar to a giraffe but with a shorter neck and a striped body 俄卡鹿皮 （产於中非, 类似长颈鹿, 但颈短身有条斑）.

oho, 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, okay, 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,