要的；.■可以避免的 HT1 unnecessary ： needless suj^ering 不必要的痛苦◊ Banning smofci’ng wouZd save need〖ess deaths.禁止吸烟会免除不必要的死亡。*>时6小 less.ly adv.: Many sobers died needZessZy. i毕多战 土,白 j.迫地 W 牲◊ r/ie process was needZessZy s/ow.無程过 ;:,宁绫慢了。iT»T?l .needless to say used to emphasize that the information you are giving is obvious ^ ^ ‘说；不用说：The problem, needless to say, is the cost hvoh^l不用说，问题是所涉及的费用。 needle-woman /'niidlwuman/ noun {pi. -women /-wimin/) a woman who sews well 缝细女i;-女裁缝； 擅做针线活的女子

needle-work /'ni:dlw3：k; NAmE -W3：rk/ noun [u] things that are sewn by hand, especially for decoration; the activity of making things by sewing 缝制品；刺绣品；

女红；针线活

needn^t /'riiidnt/ short form of need not needs /ni:dz/ adv. {old use) in a way that cannot be avoided 必定；必须：We must needs depart•我们必‘须 离幵。needs must when the Devil drives) [saying) in certain situations it is necessary for you to do sth that you do not like or enjoy (情势所迫 > 只好如 此；不得已而为之

need-to-' know adj. ITSTO1 on a need-to-'know basis with people being told only the things they need to know when they need to know them, and no more than that仅限于人们需要知道的范围：In/ormarion wiH be reieased strictiy on a need-to，fcnow basis•资讯发布将 严格限制在人们需要知道的范围之内。 needy /'ni:di/ adj. (need*ier, needi-est) 1 (of people A) not having enough money, food, clothes, etc.缺'乏车活 必需品的；贫困的 〇 note at poor 2 the needy now/? [pi.] people who do not have enough money, food, etc. 务困的A 3 (of people 人)’.not confident, and needing a lot of love and emotional support from other people 乏自信的；需要精神支持的

neep /ni:p/ noun [ScotE, informal) a swede (= a large round yellow root vegetable)芙菁：neeps and tatties ^.

菁和土豆

ne^er /ne0(r); NAmEner/ adv. {literary) = never ne^er-do-well /7〇w/l [old-fashioned) a useless or lazy perso?无用的人;’懒次

ne-fari-ous /m'fearias; NAmE -'fer-/ adj. {formal) crim- inal; immoral 罪恶的；不道德的：ne/arious activities 罪 恶活动

neg. abbr. negative

neg-ate /m'geit/ verb [VN] (formal) 1 to stop sth from having any effect 取消；植无效 Pim nullify： Alcohol negates the ejects 〇/ the drug.酒精能使药物失效。2 to state that st& does not exist 否定；否认 neg-ation /m'geijn/ noun {formal) 1 [C, usually sing., U] the exact opposite of sth; the act of causing sth not to exist or to tecome its opposite 反面；对立面；.否定:： This political system was the negation of democracy.

种政治制度是对民主的否定。2 [U] disagreement or refusal 否定；拒绝：She.shoofc her headfn negation•她 摇头表f拒绝。

liega-tive /'negativ/orf/., noun, verb

m adj.

►                 BAD 坏 1 bad or harmful 环的；有害的：_ The crisis had

a negative eJSTect on trade, 次 k 机对贸易产生了很 环的影响。◊       experience was de/initeZy more

positive than negative.整个经历当然是利多于弊。GLQ POSITIVE

►                 NOT HOPEFUL 不乐观 2 considering only the bad side of sth/sb; lacking enthusiasm or hope 消极的；负面的； 缺乏热情的：Scientists /lave a /airZy negative attitude to the theory.科学家对这个理论的态度是相当消极的。◊ ‘ffe probaWy won’t show up.’ "Don’t be so negative.’ “他 很可能不会露面。” “别那么泄气嘛。” QH3 positive

►                 NO >[、’ 3 expressing the answer ‘no’ 否定的：His response was negative.他的回答是否定的。◊ 771印 received a negative rep/y.他们得到1个否定的答复。

PTiia AFFIRMATIVE

►                 GRAMMAR i r 4 containing a word such as ‘no’，‘not’， ‘never’，etc.含有否定词的；否定的：a negative sentence否造形式/句

SCIENTIFIC TEST 化验 5    neg.) not showing any

1339   negligence

evidence of a particular substance or medical condition 结果为阴性的（或否定的）_^_扮^* pregnancy test was negative.她的孕检呈朋性。Plin positive

►                 ELECT抑CITY.虫 6 (fech/i/ca/ > 术■语):containing.. or pro­ducing the type of electricity tliat is carried by an electron 负食的；阴极的：a negative charge/current 负电荷 7 电流◊ the negative terminal 〇/a battery 电池的 运月极 EH3 positive

►                 NUMBER/QUANTITY 数K 7 less than zero 负的；、于零 的：a negative trade balance 贸易逆|差 FTiJ3 positive

► nega tive ly adv. ： to react negative^ to stress 对压力 屄应消极◊ to respond negativ办作出否定的回应◊ negatively charged dectrons 带负电荷的电子^ mnourt

►                 NO ?1a word or statement that means a refusal or denial 否定词；'否定；拒绝：{formal) She answered in the negative (= said ‘no’).她作亍否定的回答。PTiHl

AFFIRMATIVE

►                 IN PHOTOGRAPHY M ； 2 a developed film showing the

dark areas of an actual scene as light and the light areas as dark 鹿诤；负片一compare positive n.(2)

►                 IN SCIENTIFIC TEST 化监 3 the result of a test or an experiment that shows that a substance or condition is not present 属阴择（或否定}的结東：The percentage of false negatives generated by the cancer test is of great concern.癌症检査的结果中，假阴俾占一定比例的现象受 到极大关注。033 positive

■                  verfr [VNl 1 to refuse to agree to a proposal or a

request 拒绝；否定 2 to prove that sth is riot true 杏

定真实性；■^伪

.negative 'equity noun [U] the situation in which the value of sb’s house is ’less than the amount of money that is still owed to a mortgage company, such as a bank 负值，负资产（资产值低于輝押款） nega-tivity /.nega'tivati/ (also negativ ism /'negati- vizam/) noun [U] (format) a tendency to consider only the bad side of sth/sb; a lack of enthusiasm or hope 香定 性；消极性

neg-ator /m'geit0(r)/ noun (grammar a word that expresses the idea of 'no5, for example 'not5 in English

齊定词

neg-lect /m'glekt/ verb, noun

■                  verb 1 [VN] to faii to take care of sb/sth 疏于照顾；未予 看管：S/ie denies negiecring her baby.她木每有^# 好她的.孩子0 The buildings had been neglected for years.这些大楼多年半一直无人看管。2 [VN] to not give enough attention to sth 忽略；忽视；不予重视：Dance has been negZected by tdevision.电视节單一向木重视舞 蹈。◊ She has neglected her studies.她忽视’ 7s■自己妇学 习。3 [V to inf] (/orma/) to fail or forget to So sth that you ought to do ii[忽；’疏漏 omit： You neglected to mention the name of your previous employer.

了你前雇主的名字。一see also NEGLIGENCE

■                  noun [U] ~ (of sth/sb) the fact of not giving enough care or attention to sth/sb; the state of not receiving enough care or attention忽略；忽视；未被重视：77ie 〖aw imposes penalties/or the negiect 〇/children. ■法律对疏于 照管儿i有处罚措施。◊ The buiMngs are crumbHng

Jiromyears o/neg〖ect.由于多年无人维修，这些建筑物行 将倒塌。’ ◊ Thep丨ace smdied o/decay and neg〖ect.这地 方有一股污浊腐朽的气味。

neg-lect-ed /m'glektid/ adj. not receiving enough care or attention被忽略的；被忽视的；未被重视的： neglected chiidreri 无人照看的孩子◊<! negiected area 〇/ research被人忽略了的研究领域 neg-lect-ful /m'glektfl/ adj. ~ (of sth/sb) (formal) not giving enough care or attention to sb/sth 马虎的；…不重 视的；忽视的：neg〖ec昨〖parents漫不经心&父母◊ She became negiec0i〖〇/ her appearance.她变得不修边幅 起来：

neg-ligee (also neg-ligee) /'negli3ei; NAmE ,negli'3ei/ noun a woman's dressing gown made of very thin clotty (质地轻薄的）女式晨衣 neg-li-gence /'neglid3ans/ noun [U] (formal or law W) the failure to .give sb/sth enough care or attention 疏 忽；失职；失误；■'过失：The accident was caused by negligence on the part of the driver.