deci-mal-ize {BrE also -ise) /'desimalaiz/ verb [VN] 1 to change a system of coins or weights and measurements to a decimal system把(币制或度量衡)改为十进制 2 to express an amount using the decimal system instead of the system it is already expressed in :vjThe question asks you to decimalize the fraction Va. 这道题要求你将分数%化为小数。►declmahizalion, -isa-tion /.desimalai'zeijn; NAmE -la'z-/ noun [U] decimal 'place noun the position of a number after a decimal point 小数位The figure is accurate to two decimal places.这个数精确到/丨、数点后两位。 decimal 'point noun a dot or point used to separate the whole number from the tenths, hundredths, etc. of a decimal, for example in 0.61 小数点 deci-mate /'desimeit/ verb [VN] 1 [usually passive] to kill large numbers of animals, plants or people in a particular area关量毁灭,大批杀死某地区的动物、植 物或人The rabbit popuation was decimated by the disease.这种疾病使大嘁兔子死亡。2 (/n/ormfl/) to severely damage sth or make sth weaker 严童破坏大 大削讀Cheap imports decimated the British cycle industry.廉价进口严重削弱了英国的自行车工业。心<:卜 ma-tion /.desi'meijn/ noun [U] deci-metre (Sr/E) {NAmE deci-meter) /'desimi:ta(r)/ noun a unit for measuring length. There are 10 decimetres in a metre.分米;十分之一米

de-cipher /di'saif0(r)/ verfc [VN] to succeed in finding the meaning of sth that is difficult to read or understand 破 译,辨认(难认、难解的东西):to decipher a code破 译密码Can anyone decipher his handvvriring?'有谁能 辨认他的字迹? see also indecipherable decision Ott /di'sisn/ noun

1                  [C)on/about sth) I to do sth) a choice.of judge­ment that you make after thinking and talking about what is the best thing to do (作出的决定,抉择(8r£) to take a decision (= to decide) &灰定.to mafce a decision (= to decide)作出 $:◊ We need a decision on this by next weefc•我们得在下周前就这一问题 作出决定。以〇 toofc the decision to go.a/iead with the project?是谁决定继续这项工程的 ffe is reaHy bad at mafcing decisions.他的 _ 不善于决策。We /inaHy reached a decision (= decided after some difficulty). :们‘于作出了 扶择。◊ We must come to a decision about what to do next by tomorrow.我们必、须最晚明天就 下7步做什么作出决定。a big (= an important) deci­sion —项 fi 的抉萚 ◊ 77ie_A:naZ decision is yours. 终的 决定权属于你ft’s a di访cuZt decision/or any doctor. 这对任何医生来说都是一个困难的决萣。orhe editor’s decision is/inaZ编辑定了就不再改了◊ Ma/y is the decision-mafcer in the house.赛里,的事玛丽说了:

2                  (also de-cisive-ness) [U] the ability to decide sth clearly and quickly 决鹼i );果断This is not a job /or someone who acfcs decision..、不果断的人不适宜被这 工作。indecision 3 [U] the process of deciding sth 作决定;决策77ze moment / decision /lad arrived. 决策的时刻已经到了。

de'cision-making noun [u] the process of deciding about sth important, especially in a group of people or in an organization 决策de’cision-maker n.ow/i de'cision theory noun [u] (mathematics the study of making the best decision according to what you calculate you will lose or gain from each choice 决策论 de-cisive /di'saisiv/ adj. 1 very important for the final result of a particular situation 决定性的;;关键的a decisive /actor/victory/battie A 定性的因素 / ♦(] / 战役◊ S^e has played a decisive rote in the peace negotiations.她在和谈中起了关键作用。◊. a decisive step (= an important action that will change a situ- ation) towards a deaner environment 朝着更清洁的环境 出的关键一步 o note at essential 2 able to decide sth quickly and with confidence 坚决的;果断的;决断 的:decisive management 果断的管理层.◊ TTie govern­ment must tafce decisive action on gun ccmtroL 政府 必须.东枪支管制方面采取果断措施EEia indecisive ► de-dsive-ly adv.

de-cisive*ness /di'saisivnas/ noun [u] = decision(2) deck /dek/ noun, verb

Mown 1 the top outside floor of a ship or boat 甲板;舱

517  Declaration of Independence

J was the oniy person on decfc at that time 〇/ night. 夜里那段时间只看我一个人在甲板上。◊ As t/ie storm began, everyone disappeared below decfcfsj.暴风雨来临 时,所有的人都躲到甲板下面去了。2 one of the floors of a ship or a bus (船或公共汽车的)一层,层面the upper/tower/main deck /a ship 船的上层 / 卞层 / 主甲 板We sat on the top decfc o/the bus.我们坐古公共汽车 的上层。My cabm is on deck C.我的舱位在C层甲板。 —see also double-decker(I), flight deck, single­decker 3 (also .deck of 'cards) {especially NAm£) =pack n.[8) 4 a wooden floor that is built outside the back of a house where you can sit and relax (屋后供 憩息的)_木制平台picture o page R24 5 a part of a sound system that records and/or plays sounds on a disc or tape (唱机的)转盘装置;(音响系统的 > 走带 机构,录音座fl cflssette/tape deck盒式录音带/磁带 转动机械装置 yi»TOl see clear v., hand n., hit v.

verb [VN] 1 [often passive] ~ sb/sth (out) (in/with sth) to decorate sb/sth with sth 装饰;布打扮77ie room was decfced.out in_/?owers. an) baHoons屋子里装点着鲜 花和气球。2 Wo/wfl/) to hit sb very hard so that they fall to the ground用力击倒;打倒在地;揍趴下 deck-chair /'dektjea(r); NAmE -tjer/ noun a folding chair with a seat made from a long strip of material on a wooden or metal frame, used for example on a beach (沙滩等处用的)帆布折叠椅picture o chair deck-hand /'dekhaend/ noun a worker on a ship who does work tliat is not skilled 舱面水手;普通水手 deck-house /'dekhaus/ noun a small shelter on the deck of a ship, used for navigation or accommoda- tion j轮船)甲板室

deck-ing /'dekirj/ noun [u] wood used to build a floor (called a deck) in the garden/yard next to or near a house (房屋外的)平台木板

'deck quoits noun [U] [BrE) a game in which players try to throw rings of rope over wooden sticks, especially on a cruise ship甲板套环游戏(常在游轮上逄行

'deck shoe noun a flat shoe made of strong cloth or soft leather, with a soft sole which does not slip.平底 帆布鞋,平^软皮鞋(鞋底防滑)

'deck tennis noun [U] a game in which players throw a ring of rope or rubber backwards and forwards over a net especially on a cruise ship甲板网球(类似网球但 用环代球的游戏,常在游轮上g行〉 de-daim /di'kleim/ verb (formal) to say sth loudly; to speak loudly and with force about sth you feel strongly aboutespecially in public (尤指在公:d)慷慨激昂地 宣讲,慷M陈词:[VN] She dectofmed the/amous opening speech /thepiay.她慷慨激昂地朗诵了这出戏中著名的开 场白◊ M He dedaimed agafnst the evik / aZcoAoZ•他 慷慨陈词,猛烈抨击酗酒的罪恶[also V speech, V that] dec-lam-ation /.dekla'meijn/ rioun (formal) 1 [U] the act of speaking or of expressing sth to an audience in a formal way 朗诵;雄辩 2 [9] a speech or piece of writing that strongly expresses feelings and opinions 慷慨激昂的演说(词)

de-dama-tory /di'klaematari; NAmE -to:ri/ adj. (formal) expressing feelings or opinions in a strong way in a speech or a piece of writing慷慨陈词的;雄辩演说的 declaration /.dekla'reijn/ noun 1 [c, U] an official or formal statement, especially about the plans of a government or an organization; the act of making such a statement 公告;宣告;宣言;to issue/sign a declar- ation / 签署公吿.◊ the dedarariorro/wcir 宣战◊ the Deckirarion / f/idependence (= of the ■ United States) ■(.美畐)独立裒言 2 [C] a written or spoken statement, especially about what people feel or believe.,声明 书广;宣布;表白;宣称a decZaration /tove/ /aitVguflt表白爱情;表达信念;宣判有罪 note at statement 3 [C] an official written statement giving information 申也(单):a deckiration /income 收益 申报表.◊ customs deciarations (= .giving details of goods tiiat Lave been brought into a country)报关单带入境 内物品的详细清单}

the Declaration of Inde pendence noun [sing] the document which stated that the US was