ing-let /'siqglat/ noun (Brf) a piece of clothing without sleeves, worn under or instead of a shirt; a similar piece of clothing worn by runners, etc.背心；无袖汗 衫；运动背心一compare vest n.(l) single-ton/'sirjgltan/ noun 1 a single item of the kind that you are talking about (所提及的）单项物，单个 的人 2 a person who is not married or in a romantic relationship 单身男子（.或■女子）3a person or an animal that is not a twin, etc.(非孪生的）单生JiV 单 生幼畜

.single transferable 'vote noun [sing.] {politics M) a system for electing representatives in which a person’s vote can be given to their second or third choice if their first choice is defeated, or if their first choice wins with more votes than tliey need 单一可转移投票制， 单记可让渡投票制（所选的第一位候选人失败或所得票数 已经超过必要数额，选票可转给所选的第二或第三候 选人）

.single-'use adj. [only before noun] made to be used once only 供一次使用的：di5posaWe sfngk-use cameras —次 性相机

sin.gly /_siggli/ flc/v. alone; one at a time 单个地；单独 地；一个一个地 0QCI individually: The stamps are avaitaWe singiy or m boofcs 〇/ ten.邮票有单枚的，也有 十枚一册的。◊ Guests arrived singfy or in groups.客人

有单个来的，也有三三两两一起到的。

'sing-songnoun, adj.

mnoun 1 [C] (Sr£) = singalong 2 [sing ] a way of speaking in which a person’s voice keeps rising and falling，‘声音

起伏的说话腔调

a adj. [only before noun] a sing-song voice keeps rising and falling说话音调起伏的 sin-gu-lar /'snjgjala^)/ noun, adj.

(gramma/ 语法j. a form of a noun or verb that refers to one person or thing 单数；单数形式：The singular of 'bacteria' is ^tbacterium\ * bacteria 是 bacterium。◊ 77ze verb shouZd be fn the sin^uZar、这 个动词应当用单数形式。一 compare plural aj.

■ adj. 1 (grammar i# connected with or having the singular form单数的；单数形式的：a sfngukir noun/verb/ending 单数名词 / / 词尾 2 (/bwjfl/) very

great or obvious非元的；突出的；显著的 HT1 outstanding ： landscape of singular beauty 的风景3 (//fmwy) unusual; strange奇特的；奇怪的；异 常的 nnTl eccentric ： a singular sfyZe 〇/ dress 奇特的 服装款式

sin-gu-larity /.sirjgju'laBrati/ noun [u] (format) the qual- ity of sth that makes it unusual or strange 奇特；奇

<怪；异常

sin-gu*larly /'siggjalali; NAmE -larli/ adv. (formal) very; in an unusual way 非#;特别；鼻常地：singuZarZy beautiyiii 特另ij漂亮◊ He chose a «i/iguZarZy inappropriate moment to mafce his request.他选在一个运其未恰当的时

I刻提出要求。

Sin-hal-ese /.smhe'liiz; .sina-/ noun (pi Sin-hal-ese) 1 [C] a member of a race of people living in Sri Lanka 僧伽 罗人（居住在斯里兰+) 2 [U] the language of the Sinhalese 僧伽罗语►Sin.ha丨.ese<7c/_/V sin-is-ter /'simsta(r)/ adj. seeming evil or dangerous; making you think sth bad will happen 邪寒的；险■恶 的；不祥的；有凶兆的：There was something coW and si'nister about him.他给人一种冷酷阴险的感觉。◊ There is another, more sinister, possibility.还有另一种更糟糕的 •可能。

sink (Hr /sirjk/ verb, noun, adj.

mverb (sank /saerjk/, sunk /sAijk/ or less frequent sunk, sunk)

► IN WATER/MUD, ETC.在水7 與等單 1 [V] to go down below the surface or towards the bottom of a liquid or soft substance 下沉；’下陷；沉没：The ship sank to the bottom 〇/ the sea•船沉乂海彘。◊ We’re sin/dng/ 我们正 在下沉！ ◊ The wheek started to sfnfc i_nto the mui _轮 渐渐陷进泥里。◊ to sfnfc Hfce a stone立即沉没

► BOAT 船 i ( 2 [VN] to damage a boat or ship so that it goes below the.surface of the sea, etc.使■下.沉；'使 沉没：a batt/eship sunk by a torpedo 被鱼雷 h 沉的战 列舰

FALL/SIT DOWN 倒不；坐下 3 [V +flc/v./p/-ep.] (of a perso

I 1873 sink

人）to move downwards，especially by falling or sitting down 倒下；坐下 PTITl collapse ： I sank into an armchair.我坐到—手精上。◊ She sanfc bacfc into her seat, exhausted.她筋疲尽，又坐回椅子上。◊ TVie oW man had sunfc to his fcnees.老头跪在了 地上。

► MOVE DOWNWARDS 下降 4 [V] (of an object 物体）to move slowly downwards 下沉；下陷；沉降：TTie sun was sinking in the west. ± P0 ® M： ₀ 0 The foundations of the buiWing are starting to sinfc.楼房的地基开始下陷。

► BECOME WEAKER 减弱 5 [V] to decrease in amount, volume, strength, etc.降低；减少；减弱：TTiepoumi has sunk to its lowest recorded level against the dollar. 英镑对美元的比价降到了有记录以来最低水平。◊He i5 clearly sinking fast (= getting weaker quickly and will soon die).很明显，他的身体在急剧衰弱。

► OF VOICE 山☆ 6 [V] to become quieter 变低；变小 ETITl fade ： Her voice sank to a whisper.她的声音变成了 耳语。

► DIG 丨N GROUND 在地上挖掘 7 [VN] to make a deep hole in the ground 挖，掘（深坑、深洞）CCT71 drill to sinfc a weU/sha/t/mine 掘水异 / ♦丼 / 矿井 8 [VN] to place stii in the ground by digging 埋入；打下：.to sinfc a post into the ground 在地上埋入一根件竽.一see also sunken(3)

► PREVENT SUCCESS 使不成功9卜叫（/>?/〇/7«〇/^〇?代¥6加55 or sb’s plans from succeeding 棱失败；使受逢；阻挠：

I think I’ve just sunk my chances of getting the job.我 想，我是葬送了得到那份工作的机会。◊ J/the car break ■down, we^ be sunfc (= have serious problems).要是车 坏了，咱们可就惨了。

► BALL 球 10 [VN] to hit a ball into a hole in golf or SNOOKER (高尔夫球）击球入洞；（斯诺克）击球入袋： He scmfc a 22-/oot putt to win the match.他以一记’12 英

尺的轻击入洞贏了比赛。

► ALCOHOL 酒 11 [VN](阶f，to drink sth quickly, especially a large amount of alcohol 猛喝；灌

ITiTOl be 'sunk in sth to be in a state of unhappiness or deep thought 陷入不快（或沉思）中：She just sat there, simfc frz thought.她只味地坐在那儿，南入了沉思。 (like rats) deserting/leaving a sinking 'ship [humorous, disapproving) used to talk about people who leave an organization, a company, etc. that is having difficulties, without caring about the people who are left (比喻只 顾自己而离开处于困境中的机构等）（像）逃离沉船（的 老鼠）sink your 'differences to agree to forget about your disagreements 摒弃分歧；搁置歧见 a/that 'sinking feeling (informaf) an unpleasant feeling that you get when you realize that sth bad has happened or is going to happen不祥的感觉；沮丧之情，sink or ’swim to be in a situation where you will either succeed by your own efforts or fail completely 木_自救，必沉沦；.自己努 力，以求生存：The new students were just to sink or swfm.学校完全让新生自生自灭。，sink so low丨sink to sth to have such low moral standards that you do sth very bad堕落到这种地步；杭$到某种程度：SteaHng _/h)m your_/h'e;ids? How couW you smfc so Zow?偷到你的 朋友头上了？你怎么能堕落到这种地步呢？ can’t

beZieve that anyone wouZd sin/c to such depths.我无法相 信竟然有人fi堕落到这种程度。一more at heart IJiT:遍.sink 'in | .sink into sth 1 (of words, an event, etc•话语、事情等）to be fully understood or realized 被 完全S祕；&无奋意识到：He paused to aHow his words to si_nfc fn•他停了一下，好让人免分领会他的意思。◊ 77ie scaZe 〇/ the disaster has yet to si'nfc fn.人们还没有完 全意识到这场灾难的严重程度。2 (of liquids液体)to go down .into another substance through the surface 渗 透；渗入：77ie rain sanfc into the dry ground.雨水渗进 了干地里。’sink into sth to go gradually into a less active，happy or pleasant state 渐渐进入（消极、不快等 的）状态：She sanfc i>ito a deep sZeep•她沉&地睡去。◊ He sanfc deeper into depressi'on.他 M 来金消沉。，sink 'into sth | .sink sth 'into sth to go, or to make sth sharp go, deep into sth solid (把某物}插入：The dog sank fts teeth into my Zeg (= bit it).為狠★了我的腿。◊ J/e〖t her riafk¹册Wrist. __觉她的故甲無进 亍我的手腕里。，sink sth Into sth to spend a lot of money on a business or an activity, for example in order to make money from it in the fiiture 把资基:投入