第一部分

shrewd[ʃru:d]

adj. 精明的〈同 clever, sharp〉
例 The shrewd student received the highest score in the class.
这个聪明的学生得到了全班最高分。

shrug[ʃrʌg]

n./v. 耸肩
例 She did not care what brand toothpaste they bought and shrugged her shoulders.
她不在乎他们买了什么牌子的牙膏,只是耸了耸肩。

shutter[’ʃʌtə(r)]

n. 百叶窗
例 Put the windows down and close the shutters before the storm comes.
暴风雨来临之前把窗户放下来,百叶窗关上。

shuttle[’ʃʌtəl]

n. 往返汽车、列车等(穿梭往返固定线路的运输工具)
例 The student took a shuttle from school to the train station.
学生从学校坐穿梭公交去火车站。
联 space shuttle 航天飞机

signify[’sɪgnɪfaɪ]

vt. 表示,意味〈同 denote, mean〉
例 The poor results from the test trials signify that the shuttle is not ready for launch.
测试的糟糕结果意味着航天器还无法发射。

simultaneous[ˌsɪməl’teɪnɪəs; (US)ˌsaɪməl’teɪnɪəs]

adj. 同时的,同时发生的〈同 concurrent〉
例 The network made a simultaneous broadcast by radio and television.
联播网使得广播和电视可以同时播出同一节目。
联 simultaneity n. 同时性;simulate v. 假装,模仿;simulation n. 假装;stimulate v. 刺激,激励

sin[sɪn]

n. 罪〈同 wrongdoing〉
例 The priest told the children that since they committed sins, they would go to hell.
牧师告诫小孩,如果他们犯下罪孽,就会下地狱。

skeleton[’skelɪtən]

n. 骨架;梗概〈同 framework〉
例 The students studied the skeleton in their biology class.
学生们在生物课上研究骨骼模型。

skeptical[’skeptɪkəl]

adj. 怀疑的;多疑的〈同 suspicious〉
例 I am skeptical of his methods; they do not seem very scientific to me.
我对他的方法持怀疑态度,我认为这些方法不太科学。
联 skepticism n. 怀疑,怀疑论;skeptic n. 怀疑论者;septic adj. 腐败的,脓毒性的

skip[skɪp]

v. ① 跳〈同 jump, hop〉
例 He skipped from rock to rock.
他从一块岩石上跳到另一块岩石上。
② 逃过;遗漏〈同 escape, omit〉
例 He got into trouble after he skipped class.
他逃课之后遇到麻烦了。

第二部分

skyscraper[’skaɪskreɪpə(r)]

n. 摩天大楼〈同 edifice〉
例 Skyscrapers were the tallest buildings in the city.
摩天大楼曾是这个城市最高的建筑。

slack[slæk]

adj. ① 疏忽的〈同 negligent〉
例 The manager criticized them for being slack at their jobs; they omitted many details and incurred a lot of mistakes.
经理批评他们工作马虎;他们遗漏了很多细节,导致发生了许多错误。
② 松弛的,松散的
例 The slack rope needed to be tightened to make it more secure.
需要把松弛的绳索系紧,这样会更安全。

slap[slæp]

n./vt. 拍,拍击;掌击〈同 strike〉
例 She slapped him in the face after he made that impolite comment.
他说了那些无礼的话之后,她扇了他一耳光。

slaughter[’slɔ:tə(r)]

n./v. 屠宰牲畜;大屠杀〈同 massacre〉
例 Thousands of cattle are slaughtered every year to make hamburgers.
为了制作汉堡,每年都要宰杀数以千计的牛。

sleeve[sli:v]

n. 袖子
例 Johnson rolled up his sleeves before he washed the dishes.
约翰逊卷起袖子,开始洗碗。

slim[slɪm]

adj. 纤细的,苗条的〈同 slender〉
例 She went on a diet to become slim.
为了减肥,她开始节食。
联 slimy adj. 黏土的,泥泞的;slip v. 滑倒;slit v. 切开,撕裂

slogan[’sləʊgən]

n. 口号,标语
例 Nike’s famous slogan is“Just do it”.“Just do it”
是耐克公司广为人知的一句广告语。

slot[slɒt]

n. 窄缝,狭槽
例 The postman told the lady to slide her letters into the slot.
邮递员告诉这位女士把信件投入信箱的槽里。

slum[slʌm]

n. 贫民窟
例 Her family could not afford a nice house and so they lived in the slums.
她家买不起像样的房子,只能住在贫民窟里。
联 slumber n./v. 睡眠

smash[smæʃ]

n./v. 打碎,粉碎〈同 crush〉
例 When she gets mad, she likes to smash dishes.
她发疯的时候,喜欢摔盘子。

第三部分

smuggle[’smʌgəl]

vt. 走私
例 The criminal smuggled drugs into the country.
罪犯走私毒品到这个国家。
联 niggle v. 挑剔,吹毛求疵;wiggle v.(使)踌躇,摆动

snack[snæk]

n. 小吃,快餐
例 An apple can be a healthy snack.
苹果是健康的小吃。

snap[snæp]

v. ① 突然断裂〈同 break, crack〉
例 My shoelace snapped when I pulled it too tightly.
我刚一系紧鞋带,它就断了。
② 抢夺;抢购
例 It’s really a bargain; you should snap it up.
这件东西价格真便宜,你应该马上买下它。

snatch[snætʃ]

n./v. 攫取,抓住〈同 seize〉
例 T he bird flew down and snatched the worm.
鸟俯冲下来,抓住了虫子。

soar[sɔ:(r)]

vi. ① 高飞,翱翔〈同 fly〉
例 The jet soared above the clouds.
飞机飞到了云层之上。
② 剧增〈同 rise〉
例 After he started studying hard, his grades soared.
他开始努力学习之后,成绩得到了快速提高。

sober[’səʊbə(r)]

adj. ① 清醒的,未喝醉的
例 The sober driver drove his drunk friends home.
清醒的司机开车把喝醉的朋友们送回了家。
② 冷静的,严肃的〈同 serious〉
例 She had a sober look on her face after she heard the bad news.
听到这个坏消息之后,她看上去很冷静。
联 sob v. 哭泣;snob n. 势利小人;somber adj. 阴森的,昏暗的,忧郁的

solidarity[ˌsɒlɪ’dærɪti]

n. 团结,团结一致〈同 unity, accord〉
例 The team won the game because of its strong solidarity.
由于小组团结一致,最终赢得了比赛。
联 solidity n. 坚固,可靠;solidify v.(使)变得坚固;solidly adv. 坚硬地,稳固地

solidify[sə’lɪdɪfaɪ]

v.(使)凝固;(使)团结,巩固〈同 harden〉
例 It was so cold that the water solidified into ice.
天气太冷了,水都结冰了。

solitary[’sɒlɪtəri; (US)’sɒlɪteri]

adj. 孤独的;独居的〈同 isolated, alone〉
例 The solitary bachelor did not like Valentine’s Day.
这个孤独的单身汉不喜欢过情人节。
联 solitude n. 孤独;solicitous adj. 操心的,焦虑的

solo[’səʊləʊ]

n. 独奏曲
例 He always sang solos, never with anyone else.
他总是独唱,从来没有和别人合唱过。
adj. 单独的〈同 unaccompanied, single〉
例 Her solo violin performance was a big hit.
她的小提琴独奏表演很受欢迎。
联 soloist n. 独奏者,独唱者

第四部分

solution[sə’lu:ʃən]

n. ① 解答,解决〈同 answer〉
例 There are many solutions to a problem.
解决问题的办法有许多种。
② 溶液
例 Salt and water form a solution.
盐和水形成溶液。

sovereign[’sɒvrɪn]

n. 君主;统治〈同 monarch, king〉
例 The peasants bowed before their sovereign.
农民向君主鞠躬行礼。
adj. 独立自主的〈同 independent〉
例 The Americans did not want to be ruled by England and fought to become a sovereign country.
美国人不想被英国统治,他们通过斗争建立了独立的国家。
联 sovereignty n. 主权,统治权

spacious[’speɪʃəs]

adj. 广大的,宽敞的〈同 sizable, large〉
例 Working in a spacious room contributes to one’s working efficiency.
在宽敞的房间里工作有利于提高工作效率。

span[spæn]

n. 跨度;一段时间〈同 length, range〉
例 Humans measure the span of their lives in decades.
人类以十年为单位来计算生命的长度。

sparkle[’spɑ:kəl]

n./v.(发)火花,(使)闪耀〈同 glitter〉
例 The stars seem to sparkle most on moonless nights.
在没有月亮的夜晚,星星显得尤其闪亮。

spatial[’speɪʃəl]

adj. 空间的
例 Bats emit sound waves to collect spatial information.
蝙蝠发射声波来获取空间的信息。

speciality[ˌspeʃɪ’æləti]

n. ① 招牌性的服务或产品;拳头产品
例 The waiter in the restaurant said their speciality was Peking Duck.
餐厅的服务员介绍北京烤鸭是他们的特色菜。
② 专业,特长〈同 metier〉
例 The scientist’s speciality is Greek archaeology.
这位科学家的专长是希腊考古学。
联 specialist n. 专门医师,专家

species[’spi:ʃi:z]

n. 类群,种类〈同 kind, classification〉
例 Pine trees, of which there are almost one hundred species, are found throughout the North Temperate Zone.
松树几乎有上百个品种,遍布整个北温带。
联 subspecies n.【生】亚种

specification[ˌspesɪfɪ’keɪʃən]

n. 规格;详细说明书〈同 instruction, description〉
例 She wrote and sent the architect specifications on how she would like her new house to be built.
她就想要如何建造自己的新房子写了一份详细的说明书,然后把它寄给了建筑师。

specify[’spesɪfaɪ]

vt. 明确说明;具体指定〈同 detail, name〉
例 The chemistry professor specified what chemicals to use in order to avoid any accidents.
为了避免事故发生,化学教授明确说明了要使用的化学品。
联 specified adj. 特定的;specific adj. 具体的,特指的;specifically adv. 特定地,明确地