L14 Flashcards
opacity
[əu’pæsiti] n. 不透明;不传导;暧昧
n.1 a : obscurity of sense : UNINTELLIGIBLENESS b : the quality or state of being mentally obtuse : DULLNESS
2 : the quality or state of a body that makes it impervious to the rays of light; broadly : the relative capacity of matter to obstruct the transmission of radiant energy
3 : an opaque spot in a normally transparent structure (as the lens of the eye)
opalescent
[əʊpə’les(ə)nt] adj. 乳白色的;发乳白光的
Adj. : reflecting an iridescent light
operable
[‘ɔpərəbl] adj. 可操作的;可动手术的
Adj.1 : fit, possible, or desirable to use : PRACTICABLE
2 : likely to result in a favorable outcome upon surgical treatment an operable cancer
operative
[‘ɔpərətiv, -rei-] adj. 有效的;运转着的;从事生产劳动的
n. 侦探;技工
Adj.1 a : producing an appropriate effect : EFFICACIOUS b : most significant or essential the operative word in a phrase
2 : exerting force or influence : OPERATING
3 a : having to do with physical operations (as of machines) b : WORKING an operative craftsman
4 : based on or consisting of an operation operative dentistry
n. : OPERATOR: as a : ARTISAN, MECHANIC b : a secret agent c : PRIVATE DETECTIVE d : a person who works toward achieving the objectives of a larger interest political operatives
opinionated
[ə’pinjəneitid] adj. 固执己见的;武断的
Adj.: unduly adhering to one’s own opinion or to preconceived notions
opponent
[ə’pəunənt] n. 对手;反对者;敌手
adj. 对立的;敌对的
n.1 : one that takes an opposite position (as in a debate, contest, or conflict)
2 : a muscle that opposes or counteracts and limits the action of another
Adj.1 : ANTAGONISTIC, OPPOSING
2 : situated in front
opportune
[‘ɔpətju:n, ,ɔpə’tju:n] adj. 适当的;恰好的;合时宜的
Adj.1 : suitable or convenient for a particular occurrence an opportune moment
2 : occurring at an appropriate time an opportune offer of assistance
opposed
[ə’pəuzd] adj. 相反的;敌对的
v. 反对;使对立
adj. : set or placed in opposition : CONTRARY with politicians, as opposed to soap, you cannot return what you have bought ?Felix G. Rohatyn
opposite
[‘ɔpəzit, -sit] adj. 相反的;对面的;对立的
n. 对立面;反义词
prep. 在…的对面
adv. 在对面
Adj.1 a : set over against something that is at the other end or side of an intervening line or space opposite interior angles opposite ends of a diameter b : situated in pairs on an axis with each member being separated from the other by half the circumference of the axis opposite leaves ? compare ALTERNATE
2 a : occupying an opposing and often antagonistic position opposite sides of the question b : diametrically different (as in nature or character) opposite meanings
3 : contrary to one another or to a thing specified : REVERSE gave them opposite directions
4 : being the other of a pair that are corresponding or complementary in position, function, or nature members of the opposite sex
5 : of, relating to, or being the side of a baseball field that is near the first base line for a right-handed batter and near the third base line for a left-handed batter
n.1 : something that is opposed to some other often specified thing
2 : ANTONYM
3 : ADDITIVE INVERSE; especially : the additive inverse of a real number
Adv.: on or to an opposite side
Prep.1 : across from and usually facing or on the same level with sat opposite each other
2 : in a role complementary to played opposite the leading man in the comedy
oppressive
[ə’presiv] adj. 压迫的;沉重的;压制性的;难以忍受的
1 : unreasonably burdensome or severe oppressive legislation
2 : TYRANNICAL
3 : overwhelming or depressing to the spirit or senses an oppressive climate
opprobrious
[ə’prəubriəs] adj. 无礼的;嘴不干净的;该骂的;可耻的
Adj.1 : expressive of opprobrium : SCURRILOUS opprobrious language
2 : deserving of opprobrium : INFAMOUS
optical
[‘ɔptikəl] adj. 光学的;眼睛的,视觉的
Adj.1 : of or relating to the science of optics
2 a : of or relating to vision : VISUAL b : VISIBLE 1 optical wavelength c : of, relating to, or being objects
that emit light in the visible range of frequencies an optical galaxy d : using the properties of light to aid vision an optical instrument
3 a : of, relating to, or utilizing light especially instead of other forms of energy optical microscopy b : involving the use of light-sensitive devices to acquire information for a computer optical character recognition
4 : of or relating to optical art
optimal
[‘ɔptiməl] adj. 最佳的;最理想的
Adj.: most desirable or satisfactory : OPTIMUM
optimism
[‘ɔptimizəm] n. 乐观;乐观主义
n.1 : a doctrine that this world is the best possible world
2 : an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome
optimist
[‘ɔptimist] n. 乐观主义者;乐天派
n. : one given to optimism; especially : an adherent of philosophical optimism ? opposed to pessimist
optimistic
[,ɔpti’mistik] adj. 乐观的;乐观主义的
n.1 : a doctrine that this world is the best possible world
2 : an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome
optimum
[‘ɔptiməm] adj. 最适宜的
n. 最佳效果;最适宜条件
n.1 : the amount or degree of something that is most favorable to some end; especially : the most favorable condition for the growth and reproduction of an organism
2 : greatest degree attained or attainable under implied or specified conditions
opulent
[‘ɔpjulənt] adj. 丰富的;富裕的;大量的
Adj. : exhibiting or characterized by opulence: as a : having a large estate or property : WEALTHY hoping to marry an opulent widow b : amply or plentifully provided or fashioned often to the point of ostentation living in opulent comfort
synonyms see RICH
orbital
[‘ɔ:bitəl] adj. 轨道的;眼窝的
n. : a mathematically described region around a nucleus in an atom or molecule that may contain zero, one, or two electrons
orchestrate
[‘ɔ:kistreit, -kes-] vt. 把…编成管弦乐曲;(美)精心安排;把…协调地结合起来
vi. 编管弦乐曲
vt.1 a : to compose or arrange (music) for an orchestra b : to provide with orchestration orchestrate a ballet
2 : to arrange or combine so as to achieve a desired or maximum effect orchestrated preparations for the banquet
ordeal
[ɔ:’di:l, ‘ɔ:di:l] n. 折磨;严酷的考验;痛苦的经验
n.1 : a primitive means used to determine guilt or innocence by submitting the accused to dangerous or painful tests believed to be under supernatural control ordeal by fire
2 : a severe trial or experience
ordinary
[‘ɔ:dinəri, -neri-] adj. 普通的;平凡的;平常的
n. 普通;平常的人(或事)
n.1 a (1) : a prelate exercising original jurisdiction over a specified territory or group (2) : a clergyman appointed formerly in England to attend condemned criminals b : a judge of probate in some states of the United States
2 often capitalized : the parts of the Mass that do not vary from day to day
3 : the regular or customary condition or course of things ? usually used in the phrase out of the ordinary
4 a British : a meal served to all comers at a fixed price b chiefly British : a tavern or eating house serving regular meals
5 : a common heraldic charge (as the bend) of simple form
Adj.1 : of a kind to be expected in the normal order of events : ROUTINE, USUAL an ordinary day
2 : having or constituting immediate or original jurisdiction; also : belonging to such jurisdiction
3 a : of common quality, rank, or ability an ordinary teenager b : deficient in quality : POOR, INFERIOR ordinary wine
synonyms see COMMON
organism
[‘ɔ:ɡənizəm] n. 有机体;生物体;微生物
n.1 : a complex structure of interdependent and subordinate elements whose relations and properties are largely determined by their function in the whole
2 : an individual constituted to carry on the activities of life by means of organs separate in function but mutually dependent : a living being
original
n.1 archaic : the source or cause from which something arises; specifically : ORIGINATOR
2 a : that from which a copy, reproduction, or translation is made b : a work composed firsthand
3 a : a person of fresh initiative or inventive capacity b : a unique or eccentric person
Adj.1 : of, relating to, or constituting an origin or beginning : INITIAL the original part of the house
2 a : not secondary, derivative, or imitative an original composition b : being the first instance or source from which a copy, reproduction, or translation is or can be made
3 : independent and creative in thought or action : INVENTIVE an original artist
synonyms see NEW
ornamental
[,ɔ:nə’mentəl] adj. 装饰的,装饰性的
n. 观赏植物;装饰品
Adj.: of, relating to, or serving as ornament; specifically : grown as an ornamental
n. : a decorative object; especially : a plant cultivated for its beauty rather than for use
ossify
['ɔsifai] vi. 骨化;硬化;僵化 vt. 使硬化;使骨化;使僵化 Intransitive verb 1 : to change into bone 2 : to become hardened or conventional and opposed to change transitive verb 1 : to change (as cartilage) into bone 2 : to make rigidly conventional and opposed to change
ostentation
[,ɔsten’teiʃən] n. 卖弄;虚饰;虚有其表
n.1 : excessive display : PRETENTIOUSNESS
2 archaic : an act of displaying
ostentatious
[,ɔsten’teiʃəs] adj. 招摇的;卖弄的;夸耀的;铺张的;惹人注目的
Adj. : marked by or fond of conspicuous or vainglorious and sometimes pretentious display
synonyms see SHOWY
ostracize
[‘ɔstrəsaiz] vt. 放逐;排斥;按贝壳流放法放逐
vt.1 : to exile by ostracism
2 : to exclude from a group by common consent
oust
[aust] vt. 驱逐;剥夺;取代
vt.1 a : to remove from or dispossess of property or position by legal action, by force, or by the compulsion of necessity b : to take away (as a right or authority) : BAR, REMOVE
2 : to take the place of : SUPPLANT
synonyms see EJECT
outburst
[‘autbə:st] n. (火山、情感等的)爆发;破裂
n.1 : a violent expression of feeling an outburst of anger
2 : a surge of activity or growth new outbursts of creative power ?C. E. Montague
3 : ERUPTION volcanic outbursts
outdated
[,aut’deitid] adj. 过时的;旧式的
v. 使过时adj. : no longer current : OUTMODED
outgoing
[‘aut,ɡəuiŋ] adj. 外出的;即将离职的;乐于助人的
n. 外出;流出;开支
v. 超过;优于adj.1 a : going away : DEPARTING an outgoing ship b : retiring or withdrawing from a place or position the outgoing president c : directed to an intended recipient outgoing mail
2 : openly friendly and responsive : EXTROVERTED
outgrow
[,aut’ɡrəu] vt. 过大而不适于;出生;长大成熟而不再
vt.1 : to grow or increase faster than mankind is outgrowing food supplies ?R. C. Murphy
2 : to grow too large or too mature for outgrew his best suit the need to outgrow the habit of war ?Norman Cousins
outgrowth
[‘autɡrəuθ] n. 结果;副产物;自然的发展;分枝
n.1 : a process or product of growing out an outgrowth of hair
2 : CONSEQUENCE, BY-PRODUCT crime is often an outgrowth of poverty
outlast
[,aut’lɑ:st, -‘læst] vt. 比…长久;从…中逃生
vt.: to last longer than : SURVIVE mummified customs that have long outlasted their usefulness?W.R.Inge
synonyms see OUTLIVE
outline
[‘autlain] n. 轮廓;大纲;概要;略图
vt. 概述;略述;描画…轮廓
n.1 a : a line that marks the outer limits of an object or figure : BOUNDARY b : SHAPE
2 a : a style of drawing in which contours are marked without shading b : a sketch in outline
3 a : a condensed treatment of a particular subject an outline of world history b : a summary of a written work : SYNOPSIS
4 : a preliminary account of a project : PLAN
5 : a fishing line set out overnight
synonyms OUTLINE, CONTOUR, PROFILE, SILHOUETTE mean the line that bounds and gives form to something. OUTLINE applies to a line marking the outer limits or edges of a body or mass traced the outline of his hand. CONTOUR stresses the quality of an outline or a bounding surface as being smooth, jagged, curving, or sharply angled a car with flowing contours. PROFILE suggests a varied and sharply defined outline against a lighter background a portrait of her face in profile. SILHOUETTE suggests a shape especially of a head or figure with all detail blacked out in shadow leaving only the outline clearly defined photograph in silhouette against a bright sky.
vt.1 : to draw the outline of
2 : to indicate the principal features or different parts of outlined their responsibilities
outlying
[‘aut,laiiŋ] adj. 边远的;无关的
v. 放在…外面;在撒谎上胜过adj.: remote from a center or main body outlying areas
outmoded
[‘aut’məudid] adj. 过时的,不流行的
v. 使不流行vt. : to make unfashionable or obsolete
outspoken
[aʊt’spəʊk(ə)n] adj. 坦率的,直言不讳的
Adj.1 : direct and open in speech or expression : FRANK outspoken in his criticism ?Current Biography
2 : spoken or expressed without reserve his outspoken advocacy of gun control
outstrip
[,aut’strip] vt. 超过;胜过;比…跑得快
vt.1 : to go faster or farther than
2 : to get ahead of has civilization outstripped the ability of its users to use it? ?Margaret Mead
synonyms see EXCEED
outweigh
[,aut’wei] vt. 比…重(在重量上);比…重要;比…有价值
vt.: to exceed in weight, value, or importance the advantages outweigh the disadvantages
oval
[‘əuvəl] adj. 椭圆的;卵形的
n. 椭圆形;卵形
n.1 : an oval figure or object
2 : a racetrack in the shape of an oval or a rectangle having rounded corners
Adj.: having the shape of an egg; also : broadly elliptical
overawe
[,auvə’rɔ:] vt. 威慑;吓住;使大感敬畏
vt.: to restrain or subdue by awe
overbalance
[əʊvə'bæl(ə)ns] n. 超额;超量;不平衡 vt. 使失去均衡;使过重 vi. 失去平衡 vt.1 : OUTWEIGH 2 : to cause to lose balance n.: something more than an equivalent
overbear
[əʊvə’beə] vt. 压服;克服
vi. 结实过多
vt.1 : to bring down by superior weight or force : OVERWHELM
2 a : to domineer over b : to surpass in importance or cogency : OUTWEIGH
overblown
[əʊvə’bləʊn] adj. 停息的;过分的;已盛开过的
v. 吹散;用力吹;过分渲染adj.: past the prime of bloom overblown roses
Adj.1 : excessively large in girth : PORTLY
2 : INFLATED overblown claims overblown rhetoric; also : PRETENTIOUS
overcast
[‘əuvəkɑ:st, -kæst, ,əuvə’kɑ:st, -‘kæst] adj. 阴天的;阴暗的;愁闷的
vt. 使沮丧;包缝;遮蔽
vt.1 *-vr-kast, **-vr-\ : DARKEN, OVERSHADOW
2 *-vr-\ : to sew (raw edges of a seam) with long slanting widely spaced stitches to prevent raveling
Adj. : clouded over an overcast day
n.: COVERING; especially : a covering of clouds over the sky
overconfident
[əʊvə’kɒnfɪd(ə)nt] adj. 过于自信的;自负的
Adj.: marked by or reflecting overconfidence
overcrowd
[,əuvə’kraud] vt. 使过度拥挤;把…塞得过满
vi. 过度拥挤;塞得太满
Transitive verb : to cause to be too crowded
intransitive verb : to crowd together too much
overdraw
[,əuvə’drɔ:] vt. 透支;拉过度;夸张
vi. 透支;夸张
Transitive verb
1 : to draw checks on (a bank account) for more than the balance the account was overdrawn
2 : EXAGGERATE, OVERSTATE
intransitive verb : to make an overdraft
overdue
[‘əuvə’dju:] adj. 过期的;迟到的;未兑的
1 a : unpaid when due an overdue bill b : delayed beyond an appointed time an overdue train overdue library books
2 : too great : EXCESSIVE an overdue share of the profits
3 : more than ready overdue for a haircut
overemphasize
[,əuvər’emfəsaiz] vt. 过分强调
vi. 过分强调
vt. : to give excessive emphasis to overemphasizing detail?American Guide Series: Pennsylvania
intransitive verb : to use too much emphasis I overemphasize and exaggerate?B.N.Cardozo
overestimate
[,əuvər’estimeit, -‘estimət] vt. 对……评价过高;对……估计过高
n. 估计过高;评价过高;出价过高
vi. 估计过高;评价过高
vt. : to estimate too highly : OVERVALUE
n. : an estimate that is too high
overinflated
[əʊv(ə)rɪn’fleɪtɪd] adj. 过于膨胀的;特大的
Filled with too much air
overlap
[,əuvə'læp, 'əuvəlæp] n. 重叠;重复 vi. 部分重叠;部分的同时发生 vt. 与…重叠;与…同时发生 Transitive verb 1 : to extend over or past and cover a part of 2 : to have something in common with intransitive verb 1 : to occupy the same area in part 2 : to have something in common
overload
[,əuvə’ləud, ‘əuvələud] vt. 超载,超过负荷
n. 超载;负荷过多
Transitive verb : to load to excess : load with too great a burden overload a wagon overload a ship overload a circuit
intransitive verb : to assume or impose an excessive load tendency of most women travelers T to overload on beauty preparations?T.H.Fielding
n. : an excessive load : the excess beyond a proper load issue special permits for overloads?R.R.Ireland
overlook
[,əuvə’luk, ‘əuvəluk] vt. 忽略;俯瞰;远眺;检查;高耸于…之上
n. 忽视;眺望
vt.1 : to look over : INSPECT
2 a : to look down upon from above b : to rise above or afford a view of
3 a : to look past : MISS b : IGNORE 1 c : EXCUSE 2
4 : SUPERINTEND, OVERSEE
5 : to look on with the evil eye : BEWITCH
synonyms see NEGLECT
n.: a place from which one may look down on a scene below plenty of overlooks and trails ?Thelma H. Bell
overpower
[,əuvə’pauə] vt. 压倒;克服;使无法忍受
vt.1 : to overcome by superior force : SUBDUE
2 : to affect with overwhelming intensity the stench overpowered us
3 : to provide with more power than is needed or desirable a dangerously overpowered car
overpowering
[‘ovɚ’paʊərɪŋ] adj. 压倒性的;无法抵抗的
Adj.: exercising an irresistible influence : OVERWHELMING her overpowering beauty struck his heart?George Meredith both men T were overpowering personalities?Bernard Smith