,nuclear 'fuel noun a substance that can
be used as a source of nuclear energy
because it is capable of NUCLEAR FISSION 核燃料
.nuclear
'fusion noun[u]
= fusion(2)
.nuclear
'physics noun [U] the area of physics
which deals with the nucleus of
atoms and with nuclear energy (原子）核物理学►.nuclear ’physicistziown ,nuclear '
power noun [U] = nuclear energy ,nuclear re'actor/7〇w/? = reactor .nuclear
'waste noun [U] waste material which
is radioactive, especially used
fuel from nuclear power stations 核废^
.nuclear
'winter noun a period without
light, heat or growth which scientists believe would follow a nuclear
war核冬天（科学家认为核战争之后会出，现的t殺昏暗、
寒冷、.荒宪的.时期）
nu*cle-ic acid /nju:,kli:ik 'aesid;
-.kleiik; NAmE nu:-/ noun [U] {chemistry it) either of two acidsj
DNA and RNA, that are present in all living cells 核酸 nucleus/'njuiklias; NAmE'rm:-/
noun (pi. nu-clei /-kliai/)
1
物）the part of an atom that contains most of its mass and that carries a
positive electric charge ^; 原子核一-see also neutron，proton 2.(加’o/ogy 生）the central part of some cells, containing
the genetic material 细胞核 3
the central part of sth around which other parts are located or collected 核心.；中心：These paintings will form the
nucleus of a new collection.
画将构成新的收藏系列的基础。^
nude /njuid; NAmE nu:d/ adj., noun
■
1 (especially of a human figure in art 允指艺术人像）
not wearing any clothes 裸体的 H771 naked ： a nude mode〖裸体模特儿◊ He asfced me
to pose, nude/or him. 他请我给他摆裸体造型。2 involving people who
are naked 裸体者 ^
: a nude photograph 裸^照片◊ Are there any
nude scenes in the movie?电影里有裸体镜头 *吗 (/SM/Tj£) .(〇f TIGHTS/PANTYHOSE，etc. |库袜
skin-coloured 肉 A的.
■
noun a work of art
consisting of a naked human figure;
a naked human figure in
art裸体画；人物裸体作品；裸
体人像：a bronze nude by Rodin罗丹创作的青铜裸体像
◊
a redfnfng nude —个“倚着的裸体人像 in the
'nude not wearing any clothes 裸体的 H771 naked： S/ie re/uses to be
photograp/iecHn the nude.她拒绝拍裸 体照片。
nudge /nAd3/ verb, noun
mverb 1 [VN] to push sb
gently, especially with your elbow, in order to get their attention (用命）轻推，.轻
触：He nudged me and whispered, look who's
just come in.’他用胳膊肘碰了我一下，低声说：“瞧谁进籴了。”
2
[VN +adv./prep] to push sb/sth gently
or gradually in a particular direction (朝某方柄"）轻推，渐渐推动：ffe nudged the ball past the goalie
and into the net.
地将球推过守门员，送入网中。◊ She nudged me
out 0/ the way.她将我慢慢地推开了。◊⑺^wraf/ve) He nudged the conversation towards the
subject of money.
逐步引到钱这个话题上。◊ (f/gwraf/ve) She tried to nu^ge him into changing his mind (= persuade him to do it). 她试图慢慢说服他改变主意。3 v./pz-ep.
] to move forward by pushing with your elbow 用碎膊肘挤开往前 走：[VN] He nudged /iis way through the crowd 他用 膊肘幵路穿过人群。[also
V] 4 [VN] to reach or make sth reach a particular level (無）达到，接近：Jn_/Iation is nudging 20%.通货膨胀即将达到 20%。◊ 77iis afternoon’s
sunshine
could nudge the temperature above 介eezing.今天卞午的始光可使温度达到冰点W±。
鼸noun a slight push,
usually with the elbow (肘部的'.) 轻推，碰：She gave me a gentle nudge in the
ribs to tell me to shut up.她用胳膊肘捅了一下我的腰，让我住口。◊ (figurative)
He can work hard but he needs a nudge now cmd then.他能够努力士作，但偶尔需要督促一下。
IFT^I ,nudge 'nudge, ,wmk 'wink | a ,nudge and a 'wink
used
to suggest sth to do with sex without actu- ally saying it (暗指与性行为有关的事.）眉来眼去：
TheyW been
spending a lot of time together, nudge nucige，vWnfc winfc•他们长期厮混友一起，卿卿我義的。
nudie /'njuidi; NAmE 'nu:-/ adj. (informal) showing or including
people wearing no clothes 展示裸体的;.有裸
体的：nudfe photographs裸体照片 nud-ism /'njuidizam; NAmE 'nu:-/ (also na-tur-ism especially in 6r£) noun [U] the practice of not
wearing any clothes because you believe this is more natural and healthy裸体主义（认为裸体更自然更有益健康）
nud-ist /'njuidist; NAmE 'nu:-/ (also na-iur-ist especially in firf)
now/? a person who does not wear any clothes because
they believe this is more natural and healthy 裸体主义者：anudfetbeac/i/camp裸泳海滩；裸体营
nud-ity /'njurdati; NAmE 'nu:-/ noun [U] the state of being
naked _ 你；赤裸：77ie committee daimed
that there was too much nudity on te〖evision.委员会指出电视里的
裸体镜头太多。
nuffin /'nAfin/
(also nuf-fink
/'nAfiijk/)
pron. (BrE, nothing没有东西；没有fj•么
nu-ga-tory /'njuigatari; NAmE 'nuigatoiri/ adj. (formal) having no purpose or
value 无自的的；无价fi的 Km
WORTHLESS
nug-get
/'nAgrt/
noun 1 a small lump of a
valuable metal or mineral, especially gold, that is found in the earth天然贵重金属块；（尤指）天然金块2 a srndl round piece of
some types of food (某些食品的.）小圆 块：cfticfcen nuggets 邊肉块 3 a
small thing such as an idea or a fact that people think of as valuable 有价值的 小东西；有用的想法（或事实）SCIsnippet: a useful nugget 0/ in/ormatfon
—条有用的信息
nuis-ance/'njuisns; NAmE'nu:-1 noun 1 [C, usually sing.] a
thing, person or situation that is annoying or causes trouble or problems麻烦事；讨厌的人（或东西.）：
3
donyt want to be a nuisance so tell me if you want
to be aZone.我不想讨人嫌，你要，是想一个人待着就说一声。◊ 7 hope
you’re not mafcfng
a nuistmce o/yoursd/•我希望 你疫有讨人嫌。◊ /t’s a
nuisance Saving to go back tomorrow•明荠不得不回去，真烦人。◊ What a m/iscmce/ 真麻烦！ 2 [C，U] (/aw 律)behaviour
by sb that annoys other people and that a court can order the person to stop 妨會行为：He was charged with
causing a
puMc nuisance•他被适妨害公共利益罪。
'nuisance value noun {Br£) a quality that makes sth
useful because it causes problems for your opponents 阻碍价值
nuke /nju:k/
verb, noun
{informaf)
■ ve/i? [VN] to attack a place
with nuclear weapons 用核武
器攻击
臞 noM/i
a nuclear weapon 核武器
null /nAl/
(fechm’a?/ 术语）having the value zero 零值 的；等+零的：a nuH result毫无结果D33I ,nul■為nd ’void (/aw 律）（of an election,
agreement, etc•选举、协
议等）having no legal force;
not valid 无'無律效力如；羌
.效的：77ie contract was dedared nuH and void.合同被 宣布无效。
’nil丨丨 hypothesis now/? (stof/sf/’a 统计）the idea that an experiment that is done
using two
groups
of people will show the same results for each group 零假设，原 假设 ：虚无假设（即用两组人分别实验而结果相同） nul-lify /'nAlifai/ verb (nul-li-fies, nul-li fy ing, nul
li-fied, nul-li-fied) [VN} (formal) 1 to make sth such as an
agree- ment or order lose its legal force 使失去法律效力；废止
HI71 invalidate ： Judges were unwilling to nullify govern went decisions.法官们不愿废止政府决定。2 to
make
sth lose—its effect or power 使弄;效；抵消 negate ：
An
unhealthy diet will nullify the effects of treeing.不健康的饮食会抵消锻炼的效果。
null-ity /'nAlati/ /ioiy/7 [sing.] {formal or law #) the fact of sth, for
example a marriage, having no legal force or no longer being valid; something
which is no longer valid无法律约束力；无效；无法律效力的事物
numb /nAm/ adj., verb
m adj. 1 if a part of your body
is numb, you cannot feel anything in it, for example because of cold 麻木的；失 去知觉的：to be/go numb麻木；失去知觉◊ numb with coZd 冻■僵 0 J’ve
just been to the dentist and my /ace is stiHmmib.我刚刚去看了牙医，脸上现在还没知觉呢。
unable
to feel, think or react in the normal way 麻木 的；迟钝的；呆滞的：ffe /e〖t numb with shoefc.化声 呆了 0 — see also numbing ► numb-ly adv. ： Her life