牛津高效abysmal－－－

  abysmal
adj. 1 (infml口) extremely bad极坏的：live in abysmal conditions在极恶劣的情况下生活。   His manners are abysmal.他态度极其恶劣。 2 extreme; utter极端的；完全的：abysmal ignorance极端的无知。       abysmally

abyss
n. hole so deep that it seems to have no bottom深渊：（fig比喻）an abyss of ignorance, despair, loneliness, etc无知的，绝望的，寂寞的…深渊。

a/c
abbr缩写＝(commerce商) account (current) （往来）帐户：change to a/c 319054记入319054号帐户。   a/c payee only, ie on cheques限入受款人帐户（支票上的用语）。

acacia
n. any of several trees with yellow or white flowers, esp one from which gum Arabic is obtained 金合欢树（任何一种金合欢属的树，开黄花或白花，尤指可提取阿拉伯树胶者）。

academic
adj, 1 of (teaching or learning in) schools, colleges, etc学校的；学院的：the academic year, ie the total time within a year when teaching is done in schools, etc, usu starting in September or October学年。   academic freedom, ie liberty to teach and discuss educational matters without interference from politicians, etc学术自由。   2 scholarly; not technical or practical学者式的；非技术的或实用的：academic subjects学科。    3 of theoretical interest only仅注重理论的；学术的：a matter of academic concern学术方面的事。   The question is purely academic, ie not relevant to practical affairs but still interesting.这是一个纯学术性的问题（与实际事务无关，但仍使人感兴趣）。
academic
n. teacher at a university, college, etc; professional scholar大专院校的教师；专业学者。  academically   adv.

academician
n.    member of an academy院士；学会会员

academy
n.  1 school for special training专科院校：an academy of music音乐学院。   a naval/military academy海军/陆军军官学校。  2 (in Scotland) secondary school（苏格兰的）中等学校。   3 (usu通常作Academy) society of distinguished scholars or artists; society for cultivating art, literature, etc, of which membership is an honour高等学术团体；学会：The Royal Academy (of Arts).皇家（艺术）学会。
Academy Award
one of the annual awards for achievement in the cinema given by the US Academy of Motion Picture Arts and Sciences金像奖（由美国电影艺术科学院颁发的电影艺术年度奖）。OSCAR

ACAS
abbr缩写＝(Brit) Advisory, Conciliation and Arbitration Service, for helping with negotiation during industrial disputes（在有工业纠纷期间协助谈判的）咨询调解仲裁处。

accede
v.    accede to sth  
(fml文) 1(a) take office 就职：accede to the chancellorship就任大臣、大学名誉校长等。(b) become monarch即位：Queen Victoria acceded to the throne in 1837.维多利亚女王于1837年即位。  2 agree (to a request, proposal, etc) 同意（一请求、建议等）。

accelerando
adv. adj. n.    (music音) with gradually increasing speed渐快的。

accelerate
v.   1 make sth move faster or happen earlier; increase the speed of使某事物加快；促进某事物；加速：accelerating the rate of growth提高生长率。  2 move or happen more quickly加速；加快：The car accelerated as it overtook me.那辆汽车一加速就超越了我。

acceleration
n.  1 making or being made quicker; increase in speed加快；促进；加速：an acceleration in the rate of economic growth经济发展速率的增长。  2 (of a vehicle) ability to gain speed（指车辆）加速性能：a car with good acceleration加速性能良好的汽车。

accelerator
n.  1 device for increasing speed, esp the pedal in a car, etc that controls the speed of the engine加速器；加速装置（尤指汽车等的油门踏板）。  2 (physics物) apparatus for causing charged particles to move at high speeds粒子加速器。   3 (chemistry化) substance that causes a chemical reaction to happen more quickly加速剂；促进剂。

accent
n.  1 emphasis given to a syllable or word by means of stress or pitch重音（用重读或提高音调的方法使一音节或词突出）：In the word “today” the accent is on the second syllable. today一字的重音在第二个音节上。   2 mark or symbol, usu above a letter, used in writing and printing to indicate such emphasis or the quality of a vowel sound重音符号（用于书写印刷中，表示一元音的重音或音值的符号，通常标在字母上方）。   3 national, local or individual way of pronouncing words（民族、地方或个人的）口音，腔调，土腔：speak English with a foreign accent说英语带外国腔。   have an American accent有美国口音。   a voice without (a trace of) accent不带（丝毫）地方口音的声音。   4 special emphasis given to sth（对某事物的）强调；重点：In all our products the accent is on quality.在我们一切产品中，最重视的就是质量。

accentuate
v.   make sth very noticeable or prominent; emphasize突出某事物；强调：The tight jumper only accentuated his fat stomach.那件紧身套头毛衣反更突出了他那肥胖的肚子。   accentuation   n.

accept
v.   1 (a) take (sth offered) willingly欣然接受（他人提供的事物）：accept a gift, a piece of advice, an apology接受礼物、劝告、道歉。 (b) say yes to (an offer, invitation, etc)接受（提议、邀请等）：She offered him a lift and he accepted (it).她邀请他坐她的车，他就领情了。   He proposed marriage and she accepted (him).他向她求婚，她就同意了。  (c) receive (sth/sb) as adequate or suitable接收；收取某事物；接受没事某人：Will you accept a cheque?你收支票吗？   The machine only accepts 10p coins.这机器只收10便士的硬币。   The college I applied to has accepted me.我报名的学院已经录取我了。   2 be willing to agree to sth同意，认可，赞同某事物：accept the judge’s decision 同意法官的判决。   I accept the proposed changes.我赞成所提出的变动。   3 take upon oneself (a responsibility, etc)承担（责任等）：He accepts blame for the accident, ie agrees that it was his fault.他承认那事故是他的错。   You must accept the consequences of your action.你必须对你行动的后果负责。   4 accept sth (as sth) : take sth as true; believe sth认为某事物属实；相信某事物：I cannot accept that he is to blame.我认为不能责怪他。  We do not accept your explanation/what you said.我们不相信你的解释。   Can we accept his account as the true version?我们能够相信他说的是实情吗？   It is an accepted fact, ie sth that everyone thinks is true.这是公认的事实。   5 treat sb/sth as welcome欢迎某人、某事物：He was never really accepted by his classmates.他同班同学从未真正把他当作自己人。

acceptable
adj.   acceptable (to sb)  1(a) worth accepting值得接受的：Is the proposal acceptable to you?这个建议你认为可以接受吗？(b) welcome受欢迎的：A cup of tea would be most acceptable.来一杯茶就最好不过了。   2 tolerable可容忍的：an acceptable risk, sacrifice, profit margin可冒的险、可作的牺牲、可容许的利润幅度。