List 33

Question 1

obstetrician

Answer 1

obstetrician​N. /妇产科医师/physician specializing in delivery of babies. In modern times, the delivery of children has passed from the midwife to the more scientifically trained obstetrician,

Question 2

obstreperous

Answer 2

obstreperous​ADJ. /喧闹的，喧嚣的；任性的/boisterous; noisy. What do you do when an obstreperous horde of drunken policemen goes carousing through your hotel, crashing into potted plants and singing vulgar songs?

Question 3

obtrude

Answer 3

obtrude​V. /插手，强入，冲出/push (oneself or one’s ideas) forward or intrude; butt in; stick out or extrude. Because Fanny was reluctant to obtrude her opinions about child-raising upon her daughter-in-law, she kept a close watch on her tongue. obtrusive,ADJ.

Question 4

odious

Answer 4

odious​ADJ. /可恨的；可耻的/hateful; vile. Cinderella’s ugly stepsisters had the odious habit of popping their zits in public.

Question 5

odium

Answer 5

odium ​N. /讨厌；憎恶/detestation; hatefulness; disrepute. Prince Charming could not express the odium he felt toward Cinderella’s stepsisters because of their mistreatment of poor Cinderella.

Question 6

odorous

Answer 6

odorous​ADJ. /有气味的/having an odor. This variety of hybrid tea rose is more odorous than the one you have in your garden.

Question 7

odyssey

Answer 7

odyssey​N. /长期的冒险旅行/long, eventful journey. The refugee’s journey from Cambodia was a terrifying odyssey.

Question 8

officious

Answer 8

officious​ADJ. /多管闲事的/meddlesome; excessively pushy in offering one’s services. Judy wanted to look over the new computer models on her own, but the officious salesman kept on butting in with “helpful” advice until she was ready to walk out of the store.

Question 9

ogle

Answer 9

ogle​V. /抛媚眼；送秋波/look at amorously; make eyes at. At the coffee house, Walter was too shy to ogle the pretty girls openly; instead, he peeked out at them from behind a rubber plant.

Question 10

olfactory

Answer 10

olfactory​ADJ. /嗅觉的/concerning the sense of smell. A wine taster must have a discriminating palate and a keen olfactory sense, for a good wine appeals both to the taste buds and to the nose.

Question 11

oligarchy

Answer 11

oligarchy​N. /寡头政治/government by a privileged few. One small clique ran the student council: what had been intended as a democratic governing body had turned into an oligarchy.

Question 12

omnipotent

Answer 12

omnipotent​ADJ. /无所不能的；全能的/all-powerful. The monarch regarded himself as omnipotent and responsible to no one for his acts.

Question 13

omnipresent

Answer 13

omnipresent​ADJ. /无所不在的/universally present; ubiquitous. On Christmas Eve, Santa Claus is omnipresent.

Question 14

omniscient

Answer 14

omniscient​ADJ. /无所不知的/all-knowing. I do not pretend to be omniscient, but I am positive about this fact.

Question 15

omnivorous

Answer 15

omnivorous​ADJ. /无所不吃的；杂食的/eating both plant and animal food; devouring everything. Some animals, including man, are omnivorous and eat both meat and vegetables; others are either carnivorous or herbivorous.

Question 16

onerous

Answer 16

onerous​ADJ. /繁重的，麻烦的/burdensome. He asked for an assistant because his work load was too onerous.

Question 17

onset

Answer 17

onset​N. /开始，发作，肇端；攻击/beginning; attack. Caught unprepared by the sudden onset of the storm, we rushed around the house closing windows and bringing the garden furniture into shelter. Caught unprepared by the enemy onset, the troops scrambled to take shelter.

Question 18

onus

Answer 18

onus​N. /负担；责任/burden; responsibility. The emperor was spared the onus of signing the surrender papers; instead, he relegated the assignment to his generals.

Question 19

opalescent

Answer 19

opalescent​ADJ. /乳白的/iridescent; lustrous. The oil slick on the water had an opalescent, rainbow-like sheen.

Question 20

opaque

Answer 20

opaque​ADJ. /暗的；不透明的/dark; not transparent. The opaque window shade kept the sunlight out of the room. opacity, N.

Question 21

opiate

Answer 21

opiate​N. /鸦片剂；安眠的，止痛的/medicine to induce sleep or deaden pain; something that relieves emotions or causes inaction. To say that religion is the opiate of the people is to condemn religion as a drug that keeps the people quiet and submissive to those in power.

Question 22

optician

Answer 22

optician​N. /眼镜商/maker and seller of eyeglasses. The patient took the prescription given him by his oculist} o the optician.

Question 23

opus

Answer 23

opus​N. /作品/work. Although many critics hailed his Fifth Symphony as his major work, he did not regard it as his major opus.

Question 24

ordain

Answer 24

ordain​V. /指定；规定；任命；命令/decree or command; grant holy orders; predestine. The king ordained that no foreigner should be allowed to enter the city. The Bishop of Michigan ordained David a deacon in the Episcopal Church. The young lovers felt that fate had ordained their meeting.

Question 25

ordeal

Answer 25

ordeal​N. /严酷的考验；折磨/severe trial or affliction. June was so painfully shy that it was an ordeal for her to speak up when the teacher called on her in class.

Question 26

ordinance

Answer 26

ordinance​N. /法令；政令/decree. Passing a red light is a violation of a city ordinance.

Question 27

ordination

Answer 27

ordination​N. /圣职授任；委任/ceremony making someone a minister. At the young priest’s ordination, the members of the congregation presented him with a set of vestments. ordain,V.

Question 28

orgy

Answer 28

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.

Question 29

orient

Answer 29

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.

Question 30

ornithologist

Answer 30

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.

Question 31

ornithology

Answer 31

ornithology​N. /鸟类学/study of birds. Audubon’s studies of American birds greatly influenced the course of ornithology.

Question 32

oscillate

Answer 32

oscillate​V. /振荡/vibrate pendulumlike; waver. It is interesting to note how public opinion oscillates between the extremes of optimism and pessimism.

Question 33

ossify

Answer 33

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.

Question 34

ostensible

Answer 34

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.

Question 35

ostentatious

Answer 35

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.

Question 36

ostracize

Answer 36

ostracize​V. /放逐/exclude from public favor; ban. As soon as the newspapers carried the story of his connection with the criminals, his friends began to ostracize him. ostracism, N.

Question 37

oust

Answer 37

oust​V. /剥夺；驱逐/expel; drive out. The world wondered if Aquino would be able to oust Marcos from office. ouster, N.

Question 38

outmoded

Answer 38

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.

Question 39

outstrip

Answer 39

outstrip​V. /超过/surpass; outdo. Jesse Owens easily outstripped his white competitors to win the gold medal at the Olympic Games.

Question 40

outwit

Answer 40

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.

Question 41

ovation

Answer 41

ovation​N. /热情洋溢的喝彩/enthusiastic applause. When the popular tenor Placido Domingo came on stage in the first act of La Boheme, he was greeted by a tremendous ovation.

Question 42

overbearing

Answer 42

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.”

Question 43

overt

Answer 43

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.

Question 44

overwrought

Answer 44

overwrought​ADJ. /歇斯底里的/extremely agitated; hysterical. When Kate heard the news of the sudden tragedy, she became too overwrought to work and had to leave the office early.

Question 45

pachyderm

Answer 45

pachyderm​N. /皮厚的动物（如大象）/thick-skinned animal. The elephant is probably the best-known pachyderm.