his opponent.他的讲话不错，可他还是忍不住借机把对
手抨击了 一番。►side.swipe
verfc : [VN] The bus
si’deswiped two
parked cars.公共汽车擦撞上了两辆停
在那儿的汽车。
side-track /'saidtraek/ verb [VN] [usually passive] to make sb start
to talk about or do sth that is different from the main thing that they are
supposed to be talking about or doing使转变话题；使转移目标SEl distract:
I was
supposed to be writing a letter but Vm afraid I got sidetracked.我本来应该在写信，但后来恐怕是分心干别
♦的去了。
■side view now/? a view of sth from the side 侧景；侧视 图；侧面图：77ie picture shows a side view 〇/ the house.
这张图是房子的侧面。
side-walk /'saidwoik/
noun (NAmP) = pavement(I)
'sidewalk artist noun {
side-ward /'saidwad;
NAmE -ward/ adj. to, towards or from the
side《向）一侧的；（向）一匕的：a
sideward glance ^ ^ 0S ► side-ward
(also side-wards) adv. ： He was biomi sidewards by the wind.他被风吹到旁边。
side-ways 0-w /'saidweiz/
adv.
1
to,
towards or from the side 往（或向、从）一侧：ffe
Zoofced sideways at her•他斜着眼# “。◊
TTie trucfc skidded sideways across the road. + 车横#滑到公路另一 侧。◊
Jfe has been moved sideways (= moved to another job at the same level as
before, not higher or lower).他平级调动工■作了。2 with
one side facing forwards 侧着；侧面She sat
sideways on the chafr.她侧坐在椅子i：。►
side.ways : She
did him a sideways glance.她知眼看了他一下。sideways move 侧參 iratfil see knock v.
■side whiskers now/? [pi.] hair growing on the sides of a
man’s face down to, but not on，the chin (男子的）络
腮胡子I，连鬓胡子
side.wind.er /丨saidwainda(r)/
noun a
poisonous N American snake that moves sideways across the desert by throwing
its body in an S shape 侧进蛇，角响尾蛇
美沙漠地带毒蛇）
sid-ing /'saidiij/
noun 1 a short track beside a main railway/railroad line,
where trains can stand when they are not being used (火车不用时停靠的）侧线，岔
线 2 (/SMmf)
material used to cover and protect the outside walls of buildings 壁板；墙板；挡板一picture 〇 page R24
sidle /'saidl/ verb [V
+ adv./prep.] to walk somewhere in a shy or uncertain way as if
you do not want to be noticed犹犹豫豫地走；羞怯地走；悄悄地走：She
sidZed up to me and whispered something m my ear.她悄悄走
上前来，对我耳语了几句。
SIDS /,es ai
di: 'es; sidz/ noun [U] the abbreviation for ‘sudden infant
death syndrome’ (the sudden death while sleeping of a baby which appears to be
healthy) 婴儿猝死综合征S33 COT
DEATH
Siege /si:d3/ noun 1 a
military operation in which an army tries to capture a town by surrounding it
and stopping the supply of food, etc. to the people inside (军队对城镇的）围困，包围，围攻，封锁：thesiegeo/ Troy 特洛伊之围◊ TTie siege
was/inaHy h^ited (= ended) a_/ter six months.六个月后封锁最终解除了。◊
77ie poZfce placed the city centre under a virtual state of siege (= it
was hard to get in or out).警方可说是已封感了市中心。
2
a situation in which the police surround a
building where people are living or hiding, in order to make them come out (警察对建筑物的）包围，封锁一see also besiege
iraM
under siege 1 surrounded
by an army or the police in a siege被包围；被围困;被封锁
2 being criticized
all the time or put under pressure by problems, questions, etc. —再遭到批评的；受…困扰治
lay siege to sth 1 to begin a siege
of a town, building, etc.围困，围攻（城镇、建筑物等）2 to
surround a building, especially in order to speak to or question the person or
people living or working there 包围（某建筑
物，旨在和里面的人对话或质询）
'siege mentality noun
[sing., U] a feeling that you are surrounded by enemies and must protect
yourself.受围
心态（感觉周围都是敌人因而必须自卫）
sie-mens /'siimanz/ noun (abbr. S) (physics 物）the standard
unit for measuring how well an object conducts
electricity西门子（电导单位）
si-enna /si'ena/ noun [u] a type of dark yellow or red clay used for giving colour to paints, etc.(富铁）黄
3
土，褐土（用作颜料）
si.erra /si’era/ noun
(especially in place names 尤用于地
名）a long range of
steep mountains with sharp points， especially
in Spain and America (尤指西班寺知美洲
的）锯齿状山脉：the
Sierra Afevada内华达山脉
si-esta /si'esta/ noun a rest or sleep taken in the early afternoon,
especially in hot countries (尤指在气候
热的国家A >午睡，午休：to have/tafce a
siesta睡%觉
—compare nap rt.(l) sieve
/srv/ noun, verb
m noun a tool for
separating solids from liquids or larger solids from smaller solids, made of a
wire or plastic net attached to a ring. The liquid or small pieces pass through
the net but the larger pieces do not.》虑器；筛 子；筑篱；漏勺一picture o kitchen IT»T7il have a memory/mind like a 'sieve
(informal) to have a very
bad memory; to forget things easily 记ft差；健忘
■
verb [VN] to put sth
through a sieve 筛；过筛；滤
sie-vert /'siivat; NAmE -vart/ noun (abbr. Sv) {physics W) a
unit for measuring the
effect of radiation 希沃特（辐
<射效果单位，简称希）
sift /sift/ verb 1 [VN] to put flour or some other fine substance through
a sieve/sifter 筛（面粉或颗粒较细
的物质）：5诉the_/?our into a bowZ.把面#侖至ij碗里。
4
〜(through) sth to examine sth very carefully in order to decide what is important or
useful or to find sth important 细查；详 : [VN] We wiH s的■ every scrap 0/ eWcience.我们将细查每一点证据。◊ [vj Cras/i investigators have been sifting through the wreckage of theaircrq/t.调查坠机事件的专家一直在仔细检查飞机残
骸。3 [VN] ~ sth (out) from sth to separate sth from a group of things 区分；’挑选；精选：She Zoofced quicWy through the papers, sifting
out from the pile anything that looked interesting.她很快地翻了一下那摞文件,把 所有看着有趣的东西都拣了出来。CniTO sift sth- out
1
to remove
sth that you do not want from a substance by putting it through a sieve 筛除；筛去：Put the flour through
a sieve to s诉 out the iumps.把面粉过筛，除去
面块。2 to separate sth，usually sth you do
not want, from a group of things 剔除；淘汰：We need
to out the appZfcations t/iat have no chcmce 0/succeeding.我们
_需要剔出那些成功无望的申请。
sift-er /'sifta(r)/
noun 1 {
2
a container with a lot of small holes in
the top, used for shaking flour or sugar onto things 撒…瓶（盖上有 许多小孔，用于撒面粉等粉状物或糖）：asugars^er
糖瓶
sigh /sai/ verb, noun
■
verb 1 [V] ~
(with sth) to take and then let out a long deep breath that can be heard, to
show that you are disappointed, sad, tired, etc.叹气；叹息：He sighed deeply at the
thought•想到这里，他深深叹了 口气。◊
She sighed with reife/ that it was aH over.事情总算全都
过去了，她轻松地舒了一 口气。2 [V speech]
to say sth with a sigh 叹着气说；叹息道：‘Oh
weH, better 〖ucfc next time/shesighed. “唉，就这样了，但愿下一次运气好
些。”她叹息道。3 [V] (//ferary)
(especially of the wind 尤指风)to
make a long sound like a sigh 悲鸣
■
/iom/i an act
or the sound of sighing 叹气■;叹息：to give/heave/Zet
out a sig/i 发出叹息◊
a deep sigh 深深的
叹息◊ ‘HZ wait, ’ he said with .d sigft.' 我 life 等观。哗 叹口 气说。◊ We aH breathed a sigh 〇/ reHe/ when i't y〇5 over.事情过去后，.我们大家都松了一口气。
sight /salt/ noun, verb
■
noun
►
‘ABIIITY TOSEE 视力1 [U] the
ability to see 视力；焊觉
HTTI eyesight： to Zose your
sight (= to become blind) 失明◊
She has ve/y good sight•她舍视力很好。o The disease
has ajQfected her sight•这种病瘀响f 她如视力。
◊ He has very iftrfe sight fn
his right eye.他右眼视力
极弱。
ACT OF SEEING 行见 2 [U] ~ of sb/sth the act of seeing