programme, or one that is
connected with a particular performer (电视、广播节后的或某主持人主持节目时播
放的）信号曲，开始曲，结束曲一compare theme
MUSIC
sigh-board /'sainboid;
NAmE -boird/ noun a piece of wood that has some information
on it, such as a name, and is displayed outside a shop/store，hotel, etc..('商 _店、旅馆_等的）招牌，告示牌，广告牌
sig^net ring /'signat rig/ noun a ring with a
design cut into it，that you.wear on your finger 图章戒指一picture O JEWELLERY
sig-nifi-cance /sig'nifikans/
noun
[U, C] 1 the importance of sth, especially when
this has an effect on what happens in the future <尤指对将来有影响的）重要性， 意义：a
decision 〇/ major jpoZiticaZ
sigm^iicance 具有重大 政治意义的决定◊
rhe new drug has great significance/or the treatment 〇/the disease.这种新药对于这碎病的治疗
有重大的意义。0?716；/此〇«564^65£(1^5汾<^5知1&- cance o/t/ie resists.他们讨论了这些结果在统计学上的
意义。2 the meaning of sth 意思；含义：S/ie
couWn’t grasp the full significance of what he had said.
分领会他那番话的意思。◊!>〇 these symbok have any pa/ticu〖ar
significance? iii些符号有什么特别的含义吗？
—compare insignificance at
insignificant sig-nif i-cant Ow /sig'nifikant/
adj.
1 large or important enough to have an effect or to be
noticed有重大意义的；显著的：a higWy
sign^ccmt discove/y 有重大意义的发现◊
TTie resists 〇/ the
experiment are not statisticaHy sign 诉 cant. 从统计学的观点
看，，实验结果意义不明显。◊
There are no differences between the two groups of students.
生没有明显差别。◊
four worfc has shoum a signi戶cant improvement•你知工作有了显著改进。◊
ft is sfgni^iictmt that girls
generally do better in examinations than boys. 很明显，女生的考试成绩一般比男生的好。一 compare insignificant
2 having a .particular meaning 有某种意
义的：It is.significant that he changed his will
only days be/ore his death.他在临终前几天修改遗嘱，这很能说明
问题。3 [usually, before noun] having
a special or secret meaning that is not understood by everyone 别有含义
的；意味深长的 Pm meaningful： a significant look/ smi\意味深长_的眼神/微笑
.significant 'figure/iown {mathematics %〇 each of the digits
in a number that are needed in order to give it accurately有效数字
Sig.nifi.cant.ly
/sig.mfikantli/
1 in a way that is large or important enough to have
an effect on sth.or to be noticed 有重大意义地;.显著地； 明显地：.ITie
two sets 〇/ figures are not
sigm^iicantZy di)5ferent..这两组数字投有明显的差别。◊
Prq/fe have increased significantly over the past few years.
利润大幅度提高 2 in a
way that Las a particular
meaning 有某种意义：Significantly,
he did not deny t/iat there might be an eZection.值得在意的是他没有
否认可能举行选举。3 in a.way t^iat has a special or
secret meaning别古含义地;意味深长地：She
paused sigm^ccmriy be/ore she answered,她在回答之前意味深长
>地停g了 一下。
sig.nificant 'other noun (often humorous) your husband, wife, partner or sb that you have a
special relationship with有特媒矣系的那一位（如配偶、人、
恋人）
sig-ni-fi-ca-tion /.sigmfi'keijn/
noun {formal or linguistics 语言)』[U, C] the
exact meaning of sth,.especially a word or pjirfse (尤指词或短语的）含义，意思，意义
sig.ni.fied /‘signifaid/ now/? (//ngw/sf/cs 语言）the
meaning expressed by a linguistic
sign, rather than its form 所指（语言符号的意义）一comparesignifier sig.ni.fier /_sigmfaia(r)/
now/? _(//>7gw/sf/c5 语言）the
form of a linguistic sign, for
example its sound or its printed form, rather than the meaning it expresses 能指（语言符与的形式）一 compare signified
sig-nify /'signifai/ verb (sig-ni-fies,
sig ni fying, sig-hi-fied, sig.ni.fied) (/bmjfl/) 1 to be
a sign of sth 表示；说明；预 示 HTH mean ： [VN] This
decision signified a radical change fn their po〖icies.这个决定表明了他们的政策发生
了 根本的变化。◊ [V that] This marfc
.signpes that the products con/orm to an approved standard.这个标志'.说 明这些产品#合指定的标A。◊ rhe bdt sign诉es
that he’s an absoiute
beginner.白腰带表示他完全是个新
:手。2 to do sth to make your feelings, intentions，etc. known表达，表示，显示（感情、意愿等）：JVN] S/ie sign诉ed her approval wi’th a smiZe.她笑了笑表示赞同。
_◊
[V that] He nodded to sign办 that
Zie agreed.他点实'表
示同意。3 [V] (usually used in questions or negative
sentences通常用于疑尚句或否定為）to be important or to matter 具有重要性；要紧：His presence no longer /igmped.他在术在场已不重要。
sign-ing /'sami〇/ noun 1 [U] the act of writing your
name at the end of an official document to show that you accept it.签署；签_字：the signing 〇/ the Treaty 〇/ Rome《多1马条约》的赛署2 [C] (fir£) a person who has just signed a contract
to join a particular sparts team or record or film company (运动队、唱片公司或电影公司
的）签约受聘者，:签约受雇者3 [uj the act of making an official contract
that arranges for sb to join a sports team or a record or film company 签约聘用，’签约雇用
'(安排某人加入运刼队、唱片余司或电影公司）4 [U] the act of using sign language 竽势语的使用：the use of signing in cZassrooms,宇势语在读堂上的複用
'sign language noun [U, C] a system of communicating with
people who cannot hear, by using hand movements rather than spoken words 手势语 sign-post
/'sainpaust;
NAmE -poust/ noun, verb unoun a sign at the side of a
road giving information about the direction and distance of places 路标： foHow the signposts to
the superstore.垣着路标走就能 到超市。◊的gwra"Ve) 77ie
chapter headin名s are signposts to
content 〇/the book.章节标题有助于了解
书的内容。
• verb [VN] (Br£) 1 [usually passive] to mark a road, place,
etc. with signposts 设置路餐：The
route is well signposted.这条路线路标丧置完善。2 to show dearly the way that an argument, a speech,
etc. will develop .介紹（论证、讲话等的）要点：you need to signpost/or the
reader the various points you are going to make. 你需要向读者介绍森将阐述的各个论点。，►sigrvpost-ing noun [U]
sign-writer /'sainrait9(r)/ (also 'sign painter) noun a person who paints
signs and advertisements for shops/ stores and businesses 画招牌者；.画产告者 >
’signwriting /7〇wn [U]
Sikh /si:k/ noun a member of a religion (called Sikhism) that developed in Punjab in the late 15 th
century and is based on a belief that there is only one God 锡免教教
徒•（锡克教在15世纪晚期产生于旁遮普地区，相信一神
论）►Sikhfl办
sil-age /'sailid3/ noun [U] grass or other green crops that are stored
without being dried and are used to feed farm animals in winter 青 It饲料 sMence /'sailans/ noun, verb, exclamation ■ /?⑽m 1 [U] a complete lack of noise
or sound 寂静；无声
Kn quiet ： Their
footsteps echoed in the silence.
的脚多声在4片寂会中回荡着。◊ A scream broke the sdence 〇/ the night. —声尖叫划破了寂静的夜晚。◊ J need absolute sfZence when I’m working.我工作.时需 要绝对的安静。2 [C/ U] a situation when
nobody is speaking沅缺；缄默；余不作声：an embammett/ awkward
silence 难堪/ 馗尬的沉默◊ a moment’s stimned siience —时惊愕得说不出%来◊ Jgot used to his long si7ences.我已习惯了他半天不说话的样子。◊ TTiey finished their meai in total sfience.他们默不作声地吃完
饭。■ ◊ She
ZapsecH/ito sfZence again. “又沉知下来。◊ There was a deafening silence (= one that is very
noticeable)•四下.里静得刺耳。a two-minute .siZence fn
honour 〇/those who had died为死去的人默哀两分钟
3 [U，sing.]〜(on sth) a situation in
which sb refuses to talk about sth or to answer questions 缄默；缄口 不谈；
■拒绝回答：.She broke her silence in a 7V inter-
view.她接受了一次电视采访，就此结束了她不在公开场
_ 合说话的状态。◊ T/ie com彳any’s silence on the
subject has been tafcen as an admission o/guik.在外界看来，'公 司在这个问题上保持沉默便是承认有罪。◊ the rig/it to silence (= the legal right not
to say anything when you