字典(9万条) | GRE | 同义词 | 单词 | 汉英字典(约11.3万条) | 汉英字典(约11.9万条) | 汉英字典(约37万条)
| 序号 | 词 | 中文 |
|---|---|---|
| 1 | 24–7 |
24–7 ◙ (也作 24/7), adverb 1. (informal, chiefly N. Amer.)twenty-four hours a day, seven days a week; all the time • [非正式，主北美] 一周七天，一天二十四小时；每时每刻 »you can't let things get you down when you're on call 24–7. 你切不可以在随时都需要你的时候为了什么事情而意气消沉。 |
| 2 | 3G |
3G ◙ adjective 1. (of telephone technology) third-generation • （电话技术）第三代的 |
| 3 | 4to |
4to ◙ for abbreviation 1. quarto • 同 quarto |
| 4 | 4WD |
4WD ◙ for abbreviation 1. four-wheel drive • 同 four-wheel drive |
| 5 | 8vo |
8vo ◙ for abbreviation 1. octavo • 同 octavo |
| 6 | a- |
a- a-¹ ◙ [元音前常作 an-] , prefix 1. not ; without • 表示“不”，“没有” »atheistic. »acephalous. 【语源】 1. from Greeka-² ◙ prefix 1. to ; towards • 表示“至”，“向” »aside. »ashore. in the process of (an activity) • 表示“在…进行中” »a-hunting. in a specified state • 表示“在…状态” »aflutter. on • 表示“在…上” »afoot. in • 表示“在…中” »nowadays. 【语源】 1. Old English , unstressed form of ona-³ ◙ prefix 1. assimilated before sc, sp, and st (as in ascend, aspire and astringent). variant spelling of ad- • 同 ad- （ad在sc, sp和st前同化为a，如aspire和astringent） a-4 ◙ prefix 1. of • 表示“…的”。 »anew. 2. utterly • 表示“完全地” »abash. |
| 7 | a |
a a¹ ◙ [元音前用 an] , determiner 1. used when mentioning someone or something for the first time in a text or conversation • [用于第一次提及某人或某事物] 有个，某个，一个。 --› compare the »a man came out of the room. 一个男人走出了房间。 »it has been an honour to have you. 你能来真是荣幸。 »we need people with a knowledge of languages. 我们需要有语言知识的人。 used with units of measurement to mean one such unit • [与度量单位连用，表示一个单位] 一 »a hundred. 一百。 »a quarter of an hour. 一刻钟。 [with negative] one single; any • 一个，任何一个 »I simply haven't a thing to wear. 我简直没有衣服可穿。 used when mentioning the name of someone not known to the speaker • [用于提及说话者不认识的人] 某一个 »a Mr Smith telephoned. 有个史密斯先生打电话来过。 someone like (the name specified) • [与具体人名连用] 像…的人 »you're no better than a Hitler. 你就像个希特勒。 2. used to indicate membership of a class of people or things • [用于表示某一类人或事物] 一个，一 »he is a lawyer. 他是律师。 »this car is a BMW. 这是辆宝马车。 3. in, to, or for each; per (used when expressing rates or ratios) • [用于表示速度或比率] 每 »typing 60 words a minute. 每分钟打60个词。 »a move to raise petrol prices by 3p a litre. 将汽油价格每升提高三便士的动议。 【语源】 1. Middle English : weak form of Old English ān 'one'【用法】 1. On the question of using a or an before words beginning with h, see usage at ana² ◙ for abbreviation (in travel timetables) arrives • [用于旅行时刻表] 同 arrives »Penzance a 0915. 9点15分到达彭赞斯。 • [in combination] (in units of measurement) atto- (10-18) • （度量单位）。 (同 atto- ) [Brit] (with reference to sporting fixtures) away • [英] （比赛的安排）。 (同 away ) »March 15 Sheffield United (a). 设菲尔德联队将于3月15日在客场举行比赛。 【Latin】 (used before a date) before• 在…之前（用于日期之前） »a1200. 1200年前。 ◙ for symbol 1. (a)[Physics] acceleration • [物理] 加速度 |
| 8 | -a |
-a -a¹ ◙ suffix 1. forming 2. ancient or Latinized modern names of animals and plants • [构成动植物的古名或拉丁化的现代名] »primula. 3. names of oxides • [构成氧化物名] »baryta. 4. geographical names • [构成地理名称] »Africa. 5. ancient or Latinized modern feminine forenames • [构成古代女子名或拉丁化的现代女子名] »Lydia. 6. nouns from Italian, Portuguese and Spanish • [构成来自意大利语、葡萄牙语和西班牙语的名词] »duenna. »stanza. 【语源】 1. representing a Greek, Latin, or Romance feminine singular-a² ◙ suffix 1. forming plural nouns • [构成复数名词] 2. from Greek or Latin neuter plurals corresponding to a singular in -um or -on (such as addenda, phenomena) • [构成来自希腊语或拉丁语的由-um或-on结尾的名词的中性复数形式] 3. in names (often from modern Latin) of zoological groups • [构成多源出现代拉丁语的动物组群名称的复数形式] »Protista. »Insectivora. -a³ ◙ suffix, [informal] [非正式] 1. of • [用于代替of] »coupla. 2. have • [用于代替助动词have] »mighta. 3. to • [用于代替动词不定式符号to] »oughta. 【语源】 1. representing a casual pronunciation
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| 9 | A |
A A¹ ◙ [亦作a] , (pl. As 或 A's) 1. the first letter of the alphabet • 英语字母表中第一个字母 denoting the first in a set of items, categories, sizes, etc • 甲，A项，A类，A号（一组项目、分类或尺码等的第一位） denoting the first of two or more hypothetical people or things • （假设的第一人或第一例）A，甲 »suppose A had killed B. 假设甲杀死了乙。 the highest class of academic mark • （学业成绩）Ａ等，甲等 (in the UK) denoting the most important category of road, other than a motorway • （英国）干线公路（非高速公路） »the A34. 34号干线。 »busy A-roads. 繁忙的干线公路。 denoting the highest-earning socio-economic category for marketing purposes, including top management and senior professional personnel • （为市场营销而划分的社会经济类别中的）最高收入群体（包括高层管理层和高级专业人员） (a)[Chess] denoting the first file from the left, as viewed from White's side of the board • [棋] （从执白方左边数过来的）第一列 [一般作 a] the first constant to appear in an algebraic expression • （代数表达式中的）第一已知量 [Geology] denoting the uppermost soil horizon, especially the topsoil • [地质] 表层土壤 the human blood type (in the ABO system) containing the A antigen and lacking the B • A型血 [with numeral] denoting a series of international standard paper sizes each twice the area of the next, as A0, A1, A2, A3, A4, etc., A4 being 210 × 297 mm • A型号纸（国际标准纸张型号代号，如A0, A1, A2, A3, A4等，每一号的面积是下一号的两倍，A4号纸为210×297毫米） 2. a shape like that of a capital A • A字形。 --› see A-frame , A-line »[in combination] an A-shape. A字形。 3. [Music] the sixth note of the diatonic scale of C major. The A above middle C is usually used as the basis for tuning and in modern music has a standard frequency of 440 Hz • [乐] A音，A调（C大调音阶的第六音） a key based on a scale with A as its keynote • A音键 【IDIOMS】 ◘ from A to B1. from one's starting point to one's destination • 从出发地到目的地 »most road atlases will get you from A to B. 大部分道路图册都可以让你自出发地到达目的地。 ◘ from A to Z 1. over the entire range; completely • 从头至尾，完全地 A² ◙ for abbreviation ace (used in describing play in bridge and other card games) • [用于描述桥牌或其他纸牌游戏的玩法] 同 ace »you cash ♥AK. 你出红心AK。 against (heading the column in a table of sports results which shows the goals or points scored against each club) • [在体育项目比分表上表示与每个俱乐部的比分] 同 against [informal] A level • [非正式] 同 A level ampere(s) • 同 ampere 或 amperes (Å)ångstrom(s) • 同 ångstrom 或 ångstroms answer • 同 answer »Q: What is a hung parliament? A: One in which no single party has an overall majority. 问：什么是均势议会？答：即没有一个党派占大多数议席的议会。 (in names of sports clubs) Athletic • [用于体育俱乐部名称中] 同 athletic »Dunfermline A. 邓弗姆林体育俱乐部。 Austria (international vehicle registration) • 同 austria （国际车辆注册用语） |
| 10 | A1 |
A1 / 5ei5wQn / ◙ adjective 1. [informal] very good or well; excellent • [非正式] 一流的，极好的 »guitar, A1 condition. 吉他，音色一流。 ◙ noun 1. a first-class vessel in Lloyd's Register of Shipping • （劳埃德船舶年鉴）A1级船（船级最好的船） |
| 11 | A3 |
A3 ◙ noun 1. [mass noun] a standard European size of paper, 420 × 297 mm • A3号（欧洲纸张标准，420×297毫米） »[as modifier] A3 posters. A3大小的招贴。 paper of this size • A3纸 »a prospectus printed on A3. 打印在A3号纸上的说明书。 |
| 12 | A4 |
A4 ◙ noun 1. [mass noun] a standard European size of paper, 297 × 210 mm • A4号（欧洲纸张标准，297×210毫米） »[as modifier] an A4 page. A4大小的页面。 paper of this size • A4纸 »several sheets of A4. 几张A4号纸。 |
| 13 | A5 |
A5 ◙ noun 1. [mass noun] a standard European size of paper, 210 × 148 mm • A5号（欧洲纸张标准，210×148毫米） »[as modifier] a little A5 booklet. 一本A5大小的小册子。 paper of this size • A5纸 »printed on A5. 用A5号纸打印的。 |
| 14 | AA |
AA ◙ for abbreviation Alcoholics Anonymous • 同 alcoholics anonymous anti-aircraft • 同 anti-aircraft (in the UK) Automobile Association • （英国）汽车协会 |
| 15 | aa |
aa / 5B:B: / ◙ noun 1. [mass noun] [Geology] basaltic lava forming very rough, jagged masses with a light frothy texture • [地质] 块状熔岩。 通常与 pahoehoe 相对 【语源】 1. mid 19th cent.: from Hawaiian 'a-'a
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| 16 | AAA |
AAA ◙ for abbreviation (in the UK) Amateur Athletic Association • （英国）业余体育协会 American Automobile Association • 美国汽车协会 Australian Automobile Association • 澳大利亚汽车协会 |
| 17 | AAAS |
AAAS ◙ for abbreviation 1. American Association for the Advancement of Science • 美国科学促进会 |
| 18 | Aachen |
Aachen / 5B:kEn / 1. an industrial city and spa in western Germany, in North Rhine-Westphalia; pop. 244,440 (1991). French name Aix-la-Chapelle • 亚琛（德国西部工业城市，游览胜地，地处北莱茵河威斯特伐利亚州，1991年人口244,440。 法语名艾克斯拉沙佩勒） |
| 19 | AAD |
AAD ◙ for abbreviation 1. analogue analogue digital, indicating that a musical recording was made and mastered in analogue form before being stored digitally • 模拟式音乐母盘 |
| 20 | Aalborg |
Aalborg / 5C:lbC:ɡ / ◙ (也作 Ålborg) 1. an industrial city and port in north Jutland, Denmark; pop. 155,000 (1991) • 奥尔堡（丹麦日德兰半岛北部工业及港口城市，1991年人口155,000） |
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