敏捷的 agile ： You need, nimble fingers for that job.千这活需要手指灵巧。oShe was extremefy mmbZe on her /eet.她的双脚特别灵活。2 (of the mind头脑） able to think and understand quickly 思路敏捷的；机敏 的>>111|11七1丫/11111111)11/〇办.

nimbo*stratus /.nimbau'straitas; -'streitas; NAmE ,nim- bou'streitas; -’straetas/ now/7 (fec/m/cfl/ 术语）a thick grey layer of low cloud, from which rain or snow often falls

雨层云

nim-bus /'mmbas/ noun {technical 1 [C, usually sing., U] a large grey rain cloud (大片的）雨云 2 [C, usually sing.] a circle of light 光环

nimby /'nimbi/ noun {pi. -ies) (humorous, disapproving) a person who claims to be in favour of a new develop­ment or project, but objects if it is too near their home and wiil disturb them in some way 不得在我后院 论者（声称支持某个项目但却反对在自家附近施工者) Formed from the first letters of 4not in my back yard’.由 not in my back yard 的首字母构成。 nin-com-poop /'mqkampuip/ /?otv« {old-fashioned, infor- ma/) a stupid person头脑简暴的人；办稚的人；傻字 nine fH* /nam/ number

9,九 There are examples of how to use numbers

at the entry for five.数词用法示例见 five 条。have nine ’lives (especially of a cat 尤指猫）to be very lucky in dangerous situations 有九条命；命大 a ,nine days’ wonder a person or thing that makes people excited for a short time but does not last very long 昙花一现； 轰动一时的人 < 或事物），nine times out of 'ten almost every time十之八九；几乎总是；差不多每次:f’m always emailing her, but nine times out of ten she doesn't repZy.我常常给她发电邮，但十之八九她都不回复。，nine to ’five the normal working hours in an office 外点至 五点；正常办公时间：/ worfc nine to/lve.我九点至五点 上班。◊ a nine-to-_/iive job —份朝允晚五的工作the ,whole .nine 'yards {informal, especially NAmE) every­thing, or a situation which includes everything —    ;

全部：When Dan cooks dinner he always goes the whole nine yards, with three courses and a choice of dessert. ^ 做饭总是全份的：三道菜，外加一道甜食。一more at DRESSED, POSSESSION

nine-pins /'nainpinz/ noun ,go down, ,drop, etc. like 'ninepins [BrE, informal) to fall down or become ill/sick in great numbers大量倒下；大批病倒 nine-teen /.nain'tiin/ number 19     ► nine-teenth /,nain'ti:n0/ ordinal number, noun

iiMWJ There are examples of how to use ordinal numbers at the entry for fifth.序数词用法孝例见 fifth 条。IT»T?1 talk, etc. nineteen to the 'dozen {BrE, /•n/w/nfl/) to talk, etc. without stopping 喋喋不休：She w〇5 chatting away, nineteen to the dozen•她没完'没了地 聊着。

ninety 〇i» /_namti/

1 /iw/rjfcer 90 九十 2 now/i the nineties [pi.] numbers, years or temperatures from 90 to 99 九十几；九十年 代：The temperature must be in the nineties today. 4"^ 的气温肯定有九十多度。► nine-ti-eth广naintia0/ ord/na/ number, noun Hid慝;I There are examples of how to use ordinal numbers at the entry for fiftii.序数词用法示例 见 fifth 条。ITOfU in your nineties between the ages of 90 and 99 t 90 多岁.ninety-nine .times out of a ’hundred almost always几乎d有例外；几乎总是 ning-nong /'mrj nDrj; NAmE nairj/ (also nong) noun (Z\wsfra/£, /VZ£, Zn/o/TTifl/) a stupid person 呆子；傻;^ ninja /'nind38/ noun (pi. ninjas, ninja) (from Japanese) a person trained in traditional Japanese skills of fighting and moving quietly忍者（受过日本传统打斗和轻功训练 ♦的人）

ninny /'nmi/ noun (pi. -ies) {old-fashioned, informal) a stupid person 笨蛋；傻子 ninth 〇T* /nain0/ ordinal number, noun

■                  ord/mi/ number 9th 第九 isiawa There are examples of how to use ordinal numbers at the entry for fifth.序数 词用法示例见fifth条。

fjOMii each of nine equal parts of sth 九分之一

1351  nitrify

nio-bium /nai'aubiam; NAmE -'ou-/ noun [U] {symb Nb) a chemical element. Niobium is a silver-grey metal used in steel alloys •银 nip /nip/ verb, noun

u verb (-pp-) 1 ~ (at sth) to give sb/sth a quick painful bite or pinch 啃掐；咬住；夹住：[VN] Jfe winced as the dog nipped his anWe.狗咬了他的脚腕子，疼得他龇牙 咧嘴。◊ [V】She nipped at my arm.她榼T一下我的胳 膊。2 〜（at sth) (of cold, wind, etc.寒气、:,风等）to harm or damage sth 伤害；损害：[V] 77ie fqy wind n中ped at our /aces.寒风剌疼于我们的政。◊ [VN] growing shoots n抑ed by_^ost M受霜冻的幼# 3[V +adv./prep.] (8/£, informal) to go somewhere quickly and/or for only a short time快速去（某处）；急忙逢往pop: He’s just nipped out to the bank.他急匆匆去银行了。◊ A car rapped in (= got in quickly) aheaS 〇/me. —辆车突然插 到舍;前面。IT»TB1 nip sth in the 'bud to stop sth when it has just begun because you can see that problems will come from it将…扼杀在萌芽状态；防患于未然 ,nip sth^'off to remove a part of sth with your or with a tool掐去；剪掉 ■ noun 1 the act of giving sb a small bite or pinch (=squeezing their skin between your finger and thumb)啃咬；掐 2 (//i/omw/) a feeling of cold 寒冷；寒 意：77iere was a reai nfp in the air•空中有一政剌骨M 寒气。一 see also nippy(2) 3 {informal) a small drink of strong alcohol少量的烈治 ,nip and 'tuck adj., adv； noun

m adj., adv. {especially NAm£) = neck and neck at neck n. \ ITie presidential contest is nip and tucfc.总统竞选势

均力敌。

a noun {informal) a medical operation in which skin is removed or made tighter to make sb look younger or more attractive, especially a facelift 拉皮（或去皱）. ^形手术；（尤指）去皱整容手术，面部拉皮手术 nip.per/1!!!!^!*)/ nowr? (/n/omjfl/) a small child 小孩子 nip-pie /'nipl/ noun 1 either of the two small round dark parts on a person^ chest. Babies can suck milk from' their mother’s breasts through the nipples.乳头 —picture c> body 2 {NAmE) = teat(1) 3 a small metal, plastic or rubber object that is shaped like a nipple with a small hole in the end, especially one that is used as part of a machine to direct oil, etc. into a particular place乳头状物品；（机器的）喷嘴：a grease nippte油 |旨喷嘴

nippy /'nipi/ adj. 1 (firE) able to move quickly and easily A巧的；i捷的：a nippy 〖itrie sports car小巧灵便的逾 车 2 (of the weather 天气)cold 冷的；寒冷的

nir-vana /ma'vaina; NAmE mr'v-/ noun [U] (in the reli­gion of Buddhism \% #：) the state of peace and hap­piness that a person achieves after giving up all personal desires涅槃（超脱一切烦恼的境界）

Nis.sen hut /'msn hAt/ (8r£) (/VAmf Quonset hutTM) noun a shelter made of metal with curved walls and y〇〇f尼森式半筒形铁皮屋

nit /nit/ noun 1 the egg or young form of a louse (- a small insect that lives in human hair) 11 子卵；小 SI 子 2 (Sr£, //i/ormo/) a stupid person 傻瓜；笨蛋 'nit-picking noun [U] {informal, disapproving) the habit of finding small mistakes in sb^ work or paying too much attention to small details that are not important 吹毛求 庇；挑刺儿► 'nit-picker /7〇wn ’nit-picking at// ni-trate /'naitreit/ noun [U, C] [chemistry a compound containing nitrogen and oxygen. There are several different nitrates and they are used especially to make soil better for growing crops.硝酸盐；硝酸盐类化肥： We need to cut nitrate [eveG in water.我的需要降彳氐水中 .的”酸盐亨量。

ni-tric acid /.naitrik •aesid/ now/7 [u] (djew/st/y 化）（sywfc HN03) a powerful clear acid that can destroy most substances and is used to make explosives and other chemical products 硝酸

ni-trify /'naitrifai/ verb (ni-tri-fies, ni-tri-fying, ni-tri-fied, ni-tri-fied) (chemistry to change a substance into a compound that contains nitrogen (使）硝化一see

also NITRATE