adj (1) 雙(加)倍的(having twice the (usual)size， weight， strength， number， amount， etc) [通常作attrib]：a～whisky/gin 一杯雙料威士忌/杜松子酒;a～helping of peas/portion of potatoes 雙份的豌豆/土豆;a～dose 雙倍劑量;～pay/work/strength 雙倍的報(bào)酬/工作/強(qiáng)度;～width/cream 雙幅/高脂肪奶油;a～thickness of paper 紙的兩倍厚;
?(2) 成雙的，雙層(排)的(consisting of two parts or things that are alike) [通常作attrib]：a～track/lock/window 雙軌/雙重鎖/雙層窗戶;a gun with a～barrel 雙筒槍;a man with a～chin 雙層下巴的人; a ship with a～bottom 雙層底的船;a～negative 雙重否定;a～pay advertisement/bill 雙版廣告/連映(演);～doors/windows 雙扇門/窗;～yellow lines/figures 雙黃線/兩位數(shù);～inverted commas 雙引號(hào)(“”);work in～harness(夫妻、兄弟、同伴)兩人一起工作;～-decker 雙層公共汽車;〖同〗paired， twin;
?(3) 供兩者用的，雙人的(made or designed for two people and things) [通常作attrib]：a～room/bed/ticket(to a dance)/sheet/blanket/writing table 雙人房間/床/(舞)票/床單/毯子/寫字臺(tái);a～garage/wedding/date 放兩輛車的車庫/兩對配偶的婚禮/兩對男女的分別約會(huì);
?(4) 雙重的(of two different kinds， possibilities， qualities， etc together) [通常作attrib]：a～meaning/entendre 雙關(guān)語義/雙關(guān)語; a～purpose/aim/interpretation/agent 雙重目的/目標(biāo)/解釋/間諜;a man with a～character/standard 雙重性格/雙重(道德)標(biāo)準(zhǔn)的人;the～advantage of being easy and cheap 既簡單又便宜的雙重優(yōu)點(diǎn); lead a～life 過雙重人格的生活;do～duty 盡雙重職責(zé);〖同〗two-sided;
?(5)(花)重瓣的((of flowers) having more than the usual number of petals)[通常作attrib]：a～rose/chrysanthemum 重瓣的玫瑰花/菊花;
?→?double-′bedded adj 有雙人床的;?double-′dealer n 口是心非的人;?double-′dealing n 口是心非;′double-talk n 反話;′doubly adv 雙倍地;雙重地;
?det 雙(加)倍的(twice the(usual)size， weight， strength， number， amount， etc)：～the usual quantity 通常數(shù)量的兩倍;The job took～the time expected. 這個(gè)活兒花了預(yù)計(jì)的兩倍時(shí)間。We need～the amount of milk/coal that you have. 我們需要你們現(xiàn)有的兩倍那么多牛奶/煤。My income is～hers/what it was. 我的收入是她的收入/我過去的收入的兩倍。He earns～what she does. 他賺的錢是她的兩倍。The figure is more than～that of 1990/the 1990 figure. 這個(gè)數(shù)字比1990年的兩倍還多。
?adv 成雙(對)地(in twos， in pairs or in groups of two)：see/sleep～看成雙影/倆人睡在一張床上; ride～on a horse 兩人騎一匹馬;fold a blanket/sheet～把毯子/床單對折;He was bent～with age.他上了歲數(shù)，背都駝了。
?→?double-′barrelled adj 雙筒的;復(fù)姓的;?double-′breasted adj 對襟的;?double-′edged adj 雙刃的;雙關(guān)的;?double-′dyed adj 壞透了的;?double-′faced adj 兩面派的;?double-′jointed adj 關(guān)節(jié)能前后彎曲的;?double-′quick adj & adv 很快的(地);?double-′book v ?double-′booking n 將……同時(shí)預(yù)訂給兩個(gè)以上的人;?double-′check v & n 兩次(仔細(xì))檢查;?double-′cross v & n (得到信任后)出賣;?double-′park v 并列停車(于路邊);
?n(1) 兩(雙)倍(twice the (usual) size， weight， strength， number， amount，etc) [U]：Four is the～of two. 4是2的兩倍。pay/offer sb～for sth 付給/提出要付給某人兩倍于……的錢;He got/won ￡10 but I got/won～. 他得到/贏得10英鎊，而我得到/贏得了他的兩倍那么多。
?(2) 1) 一模一樣的人或物(person or thing that resembles another) [C]：She is her mother's～(the～of her mother)(at the same age). 她長得和她母親(當(dāng)年同樣年齡時(shí))一模一樣。This dress is the～of that.這件衣服和那件一樣。Here is the～of your lost glove. 這只手套和你丟的那只非常相像?！纪?twin;2)(電影)替身演員(person who acts instead of a star in a film in some special， esp dangerous， scenes) [C];
?(3) 雙倍量的一杯酒(glass of spirits that is twice the standard usu sold as one drink) [C]：I want a～(Scotch)， please. 我要一杯雙份(蘇格蘭)威士忌酒。Two Scotches and make them～s. 兩杯蘇格蘭威士忌酒，每杯都加倍量。
?(4) 雙打(match(esp of tennis) in which one pair plays another)[C， 常pl]：play～s 打雙打;the men's/women's～s 男子/女子雙打;mixed ～s 男女混合雙打;a～s match 雙打比賽;
?at/(AmE) on the double 快(跑)步走：He came/marched at the～. 他兩步并作一步地走來/邁進(jìn)。
?v(1)(使)加倍((cause sth to) become twice as great or as numerous) [I， T+n]：Sales/Prices/Costs/The number (of accidents)/The population/His money～d over in the past five years.銷售額/價(jià)格/成本/(事故)數(shù)/人口/他的錢在過去的五年內(nèi)翻了一番。～the amount/the quantity/sb's salary/one's income 使總量/數(shù)量/某人的薪水/自己的收入增加一倍;The baby～d its weight in a year. 嬰兒的體重在一年內(nèi)增加了一倍。The company～d its profits in a year.公司的利潤在一年內(nèi)增加了一倍。The country～d its output in a year. 國家生產(chǎn)在一年內(nèi)增加了一倍。Ten～s five. 10是5的兩倍。
?(2) 對折，折疊(cause to bend or fold in two) [T+n，T+n+adv(up/over/across/back)]：～a blanket/a cover/a sheet (over)把毯子/被子/床單折疊起來;He～d his slice of bread to make a sandwich. 他把面包片折起來做成一個(gè)三明治。～one's arms across one's chest 將雙臂抱在胸前;
?(3) 兼作(它用)(serve an additional purpose)[I+prep(as)]：The sofa～s as a bed. 這沙發(fā)同時(shí)兼作床。The bed～s as a couch. 這床同時(shí)兼作長沙發(fā)。The history teacher～d as a hockey coach. 歷史教師兼任曲棍球教練。The girl～s as secretary and receptionist/coach and captain. 這姑娘同時(shí)兼任秘書和接待員/教練和隊(duì)長。
?(4) 兼演(兩個(gè)角色)((of an actor or actress)play (a second part) as well as another) [I+prep(as)，T+n]：Her main part is the mother， but she～s as the daughter. 她的主要角色是母親，但她還兼演女兒。She～s as the mother and the daughter.(She～s the (two) parts of the mother and the daughter.) 她兼演母親和女兒兩個(gè)角色。
?(5) 同奏(唱)((music) play or sing the same music as (another instrument or voice))[T+n]：The violins～d the sopranos. 小提琴為女高音手伴奏。The saxophonist～d on drums. 吹薩克斯管的人與鼓合奏。
?double back(v adv)折回(vi)：The bridge ahead was blown， so they had to～back. 前面的橋被炸毀了，所以他們只好往回走。
?double up/over (v adv)(使)彎下腰來(vt & vi)：He('s)～d up (over) with pain/laughter/anger/mirth. 他疼/笑/氣/高興得直不起腰來了。The pain/blow～d him up. 疼痛/那一擊使他直不起腰來。
?double up (on sth/with sb)(v adv prep)與……一起……(vi)：She had to～up with her sister. 她只好和妹妹睡在一間屋了。