orgy N. /放荡，旷野;纵酒狂欢/wild, drunken revelry; unrestrained indulgence in a tendency. The Roman emperor's orgies
were far wilder than the toga party in the movie Animal House. When her income tax refund check finally arrived, Sally indulged in an orgy of shopping.
orient V. /确定方向;校准/get one's bearings; adjust. Philip spent his first day in Denver orienting himself to the city. orientation N. /定位(在社会上)/act of finding oneself in society. Freshman orientation provides the incoming students
with an opportunity to learn about their new environment and their place in it.
ornate ADJ. /华丽的;过分装饰的/excessively or elaborately decorated. With its elaborately carved, convoluted lines,
furniture of the Baroque period was highly ornate.
ornithologist N. /鸟类学家/scientific student of birds. Audubon's drawings of American bird life have been of interest
not only to the ornithologists but also to the general public.
ornithology N. /鸟类学/study of birds. Audubon's studies of American birds greatly influenced the course of
ornithology.
orthodox ADJ. /传统的;保守的/traditional; conservative in belief. Faced with a problem, he preferred to take an orthodox
approach rather than shock anyone. orthodoxy, N.
oscillate V. /振荡/vibrate pendulumlike; waver. It is interesting to note how public opinion oscillates between the
extremes of optimism and pessimism.
ossify V. /硬化;骨化;化石化/change or harden into bone. When he called his opponent a "bonehead," he implied that
his adversary's brain had ossified to the point that he was incapable of clear thinking.
ostensible ADJ. /显然的;虚假的/apparent; professed; pretended. Although the ostensible purpose of this expedition is
to discover new lands, we are really interested in finding new markets for our products.
ostentatious ADJ. /卖弄的;企图惹人注意的;哗众取宠的/showy; pretentious; trying to attract attention. Donald Trump's
latest casino in Atlantic City is the most ostentatious gambling palace in the East: it easily outglitters its competitors. ostentation, N.
ostracize V. /放逐/exclude from public favor; ban. As soon as the newspapers carried the sto ry of his connection with
the criminals, his friends began to ostracize him. ostracism, N.
oust V. /剥夺;驱逐/expel; drive out. The world wondered if Aquino would be able to oust Marcos from office. ouster, N. outlandish ADJ. /奇异的;偏僻的;前卫的/bizarre; peculiar; unconventional. The eccentric professor who engages in
markedly outlandish behavior is a stock figure in novels with an academic setting.
outmoded ADJ. /过时的/longer stylish; old-fashioned. Unconcerned about keeping in style, Lenore was perfectly
happy to wear outmoded clothes as long as they were clean and unfrayed.
outskirts N. /边界;郊区;外围/fringes; outer borders. We lived, not in central London, but in one of those peripheral
suburbs that spring up on the outskirts of a great city.
outspoken ADJ. /坦率直言的/candid; blunt. The candidate was too outspoken to be a successful politician; he had not
yet learned to weigh his words carefully.
outstrip V. /超过/surpass; outdo. Jesse Owens easily outstripped his white competitors to win the gold medal at the
Olympic Games.
outwit V. /欺骗;瞒骗/outsmart; trick. By disguising himself as an old woman, Holmes was able to outwit his pursuers
and escape capture.
ovation N. /热情洋溢的喝彩/enthusiastic applause. When the popular tenor Placido Domingo came on sta ge in the first
act of La Boheme, he was greeted by a tremendous ovation.
overbearing ADJ. /傲慢专横的/bossy and arrogant; decisively important. Certain of her own importance, and of the
unimportance of everyone else, Lady Bracknell was intolerably overbearing in her manner. "In choosing a husband," she said, "good birth is of overbearing importance; compared to that, neither wealth nor talent signifies."
overt ADJ. /明显的;公然的/open to view. According to the United States Constitution, a person must commit an overt act before he may be tried for treason.
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