The Economist - Eyes at the border
Dec 3, 2016 - Eyes at the border
Notes
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Every day more than 8,000 containers flow through the Port of Rotterdam. But only a fraction are selected to pass through a giant x-ray machine to check for illicit contents.
为什么 a fraction 后是 are,因为这里是省略,原本是a fraction of containers are
a fraction of n. 是量词,A of B 一般核心词是 A,量词除外,A是量词时,核心是B
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It takes time for sb. to do sth. It 是形式主语
= sb. spend time doing sth.
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Imagine searching an image of a room three metres by 14 metres crammed to the ceilingwith goods.
by 在这里表示 乘,是一种对面积的表达方式
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A paper the group presented at the Imaging for Crime Detection and Prevention conference in Madrid last week showed that in tests, the system spotted nine out of ten hidden metallic objects.
A paper the group 看到两个名词,一定要快速反应,这是省略了that的定语从句,第一个名词 A paper 后面还有谓语 showed
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Assuming that 分句,主句.
assuming that = if
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Dr Breckon thinks intelligent scanning systems will at first operate in the background at airports, for instance rechecking bags in case human inspectors have missed something.
in case 连词 意思是以防万一
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get one’s hands on 真正接触、真正使用
Vocabulary
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conceal v. 隐藏、藏匿、掩饰
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container n. 集装箱、容器(用来盛放或运输的物品的物品)
Rotterdam 鹿特丹(曾经世界上最大的港口之一,现依然是欧洲第一大港)
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fraction n. 分数、小数;小部分、少量、一点儿;(化学)馏分(混合物液体如石油,加热蒸馏时,不同成分沸点不同,一个特定温度范围收集到的液体就称为一个“馏分”
a fraction of n. 很少的某物
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illicit adj. 非法的 = illegal、unlawful
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content(名词重音在后,形容词动词重音在前) n. 内容、内容物;满足 adj. 满意的 v. 使满足
be content with 对…满意
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suspect v. 怀疑 n. 嫌疑犯 adj. 可疑的
suspicious adj. 可疑的 = doubful/dubious/skeptical
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object n. 物体;对象;宾语 v. 反对
objective adj. 客观的 n. 目标;(望远镜或显微镜)物镜(靠近观察目标的镜头)
objection n. 反对
objectify v. 物化;(将抽象的)具象化
objectification n. 物化;(抽象的)具象化
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cram v. 挤满、塞满;考前短时间高强度学习
cram for an exam 突击准备考试(填鸭式学习)
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hide v. 隐藏
过去式:hid
过去分词:hidden
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flag n. 旗子;(运动比赛中)用旗子做的标记;(计算机)标记变量;铺路的平石板;鸢尾花 v. 标识;(足球运动)举旗表示犯规;用旗装饰;(人)疲倦、虚弱、没热情
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false positive 假阳性(本质是检测出了问题,但实际没问题)
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integrate v. 融合
integrate A into/with B = combine A with B
integration of A into/with B
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anomaly n. 异常
a-/ab- 前缀 表反义 abnormal
a- 前缀 表状态 awake asleep afloat(飘着的)
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hunch v. 耸肩驼背 n. 直觉;驼背的姿势或物体;厚厚一坨
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discrepancy n. 差异 = difference
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weary adj. 疲劳的、疲倦的 v. 使疲惫
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wear v. 穿戴;磨损;消磨(时间)wearing half the day;使船转向,背对风向 n. 穿戴(抽象概念);(特定类型的)衣服;磨损
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wear out 磨损、筋疲力尽、消耗殆尽
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tear v. 撕扯 如 tear up 撕碎;(激动地)快速移动;(内心)拉扯、挣扎、纠结 n. (撕扯造成的)小洞或小缝;眼泪
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wear-and-tear 磨损
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相似的词与过去式、过去分词
原型 过去式 过去分词 wear wore worn tear tore torn bear bore born swear swore sworn
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crawl v. 爬;(非正式)卑躬屈膝;挤满了、爬满了(常指被昆虫覆盖或人群拥挤到令人反感)be crawling with sth./sb.;(计算机)爬取数据 n. 爬的动作;自由泳;(电视屏幕底部)带状区域(用于滚动播放新闻或广告)
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cabin n. 客舱;小木屋(通常在偏远地方) v. 限制(在狭窄的范围)
cabin bag 客舱行李,如背包、小尺寸登机箱
hold bag 货舱(cargo hold)行李,如大尺寸行李箱
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out- 前缀 表示超过
outwit/outsmart 在智慧上超过
outperform 在表现上超过
outweigh 在重量上超过
outlive 活过(活的时间上超过)