跟我背CET4核心词汇:scan

　　scan

　　vt. 匆促地略看; 扫视 glance at quickly, but not very thoroughly

　　vi. 合韵律 to fit a metrical pattern

　　同义词

　　n. cat scan

　　v. glance over，rake，read，run down

　　词汇辨析

　　examine，inspect，investigate，scan

　　这些动词都有 调查、检查 之意。

　　examine 最普通用词，可指粗略地查看，也可指仔细观察或调查以确定事物的性质、功能、特点等。

　　inspect 侧重按一定质量标准检查某物，找出不足或不同之处。

　　investigate 指为发现事实真相或了解掌握情况而进行深入细致的现场考察。

　　scan 原义是仔细地检查分析，现用于指细看或浏览。

　　参考例句

　　1. to scan the sky above the sea

　　对大海上空进行雷达扫描

　　2. The second scan revealed a brain tumor.

　　第二次扫描显示出一个脑瘤。

　　3. The doctors gave him an ultrasonic brain scan .

　　医生给他做了脑部超声波扫描检查。

　　双语释义

　　1.V-T/V-I When you scan written material, you look through it quickly in order to find important or interesting information. 浏览

　　例：She scanned the advertisement pages of the newspapers.

　　她浏览了报纸的广告页。

　　2.N-SING Scan is also a noun. 浏览

　　例：I just had a quick scan through your book again.

　　我刚刚把你的书又作了一次浏览。

　　3.V-T/V-I When you scan a place or group of people, you look at it carefully, usually because you are looking for something or someone. 仔细察看

　　例：The officer scanned the room.

　　警察仔细察看了那个房间。

　　例：She was nervous and kept scanning the crowd for Paul.

　　她很紧张，一直在人群中寻找保罗。

　　4.V-T If people scan something such as luggage, they examine it using a machine that can show or find things inside it that cannot be seen from the outside. 扫描

　　例：Their approach is to scan every checked-in bag with a bomb detector.

　　他们的做法是用炸弹探测器扫描每一个办理了登机手续的箱包。

　　5.V-T If a computer disk is scanned, a program on the computer checks the disk to make sure that it does not contain a virus. 扫描

　　例：Not all ISPs are equipped to scan for viruses.

　　并非所有的因特网服务供应商都有装备来扫描病毒。

　　6.V-T If a picture or document is scanned into a computer, a machine passes a beam of light over it to make a copy of it in the computer. 扫描

　　例：The entire paper contents of all libraries will eventually be scanned into computers.

　　所有图书馆的全部纸质内容最终都会被扫描进电脑。

　　7.V-T If a radar or sonar machine scans an area, it examines or searches it by sending radar or sonar beams over it. 扫描

　　例：The ships radar scanned the sea ahead.

　　船上的雷达扫描了前方海域。

　　8.N-COUNT A scan is a medical test in which a machine sends a beam of X-rays over a part of your body in order to check that it is healthy. 扫描检查

　　例：A brain scan revealed the blood clot.

　　脑部扫描检查发现了那个血块。

　　常见用法

　　用作及物动词

　　Could you teach me how to scan an image?

　　你可以教我如何扫描一个影像吗?

　　I scanned the newspaper when I was waiting for the bus.

　　等公共汽车的时候，我匆匆浏览了一下报纸。

　　She scanned his face, looking for signs of what he was thinking.

　　她审视他的脸,试图探寻他在思考什么。

　　I scanned my pocket for change.

　　我仔细查看囗袋找零钱。

　　用作不及物动词

　　The verses scan well.

　　这些诗句符合韵律。

　　用作名词

　　The doctors gave him an ultrasonic brain scan.

　　医生给他做了脑部超声波扫描检查。

　　Im too busy to read the whole newspaper, I just scan the headline.

　　我太忙了，没法看整份报纸，只是浏览了一下大标题。

　　Employers receive many resumes and must scan each of them quickly.

　　雇主会收到许多简历，因此必须快速浏览它们。