scan

英 [skæn] 美 [skæn]

v.  细看; 察看; 审视; 端详; 粗略地读; 浏览; 翻阅; (X射线、超声波、电磁波等)扫描
n.  扫描检查; 胎儿扫描检查; 浏览; 快速查阅

现在分词:scanning过去式:scanned过去分词:scanned复数:scans第三人称单数:scans

高考CET4CET6考研TOEFLIELTSGRETEM4TEM8计算机

Collins.2 / BNC.5003 / COCA.4031



牛津词典

verb

  1. 细看;察看;审视;端详
    to look at every part of sth carefully, especially because you are looking for a particular thing or person
    1. He scanned the horizon for any sign of land.
      他仔细眺望地平线,找寻陆地的踪影。
    2. She scanned his face anxiously.
      她急切地端详着他的脸。
  2. 粗略地读;浏览;翻阅
    to look quickly but not very carefully at a document, etc.
    1. I scanned the list quickly for my name.
      我很快浏览了一下名单,看有没有我的名字。
    2. She scanned through the newspaper over breakfast.
      她边吃早饭,边浏览报纸。
  3. (X射线、超声波、电磁波等)扫描
    to get an image of an object, a part of sb's body, etc. on a computer by passing X-rays , ultrasound waves or electromagnetic waves over it in a special machine
    1. Their brains are scanned so that researchers can monitor the progress of the disease.
      研究人员对他们的大脑加以扫描,以监视病情的发展。
  4. 扫描;扫掠
    to pass across an area
    1. Concealed video cameras scan every part of the compound.
      几台暗藏的摄像机把院子里的每一个角落都拍了进去。
  5. (为搜索病毒而)扫描(文件)
    to examine a computer program or document in order to look for a virus
    1. This software is designed to scan all new files for viruses.
      这个软件是为搜索所有新文件的病毒而设计。
  6. (用扫描设备)扫描(图像或文件等)
    to pass light over a picture or document using a scanner in order to copy it and put it in the memory of a computer
    1. How do I scan a photo and attach it to an email?
      怎样把照片扫描并放到电子邮件的附件呢?
  7. 符合韵律
    to have a regular rhythm according to fixed rules
    1. This line doesn't scan.
      这一行不合韵律。

noun

  1. 扫描检查
    a medical test in which a machine produces a picture of the inside of a person's body on a computer screen after taking X-rays
    1. to have a brain scan
      做脑部扫描检查
  2. 胎儿扫描检查
    a medical test for pregnant women in which a machine uses ultrasound to produce a picture of a baby inside its mother's body
    1. to have a scan
      做胎儿扫描检查
  3. 浏览;快速查阅
    the act of looking quickly through sth written or printed, usually in order to find sth

    柯林斯词典

    1. VERB 粗略地看;快读;浏览
      When you scan written material, you look through it quickly in order to find important or interesting information.
      1. She scanned the advertisement pages of the newspapers...
        她浏览了一下报纸的广告页。
      2. I haven't read much into it as yet. I've only just scanned through it.
        我还没有细细研读,只是粗略地翻看了一下。
      3. Scan is also a noun.
      4. I just had a quick scan through your book again.
        我只是又快速浏览了一遍你的书。
    2. VERB 细看;察看;审视;端详
      When you scan a place or group of people, you look at it carefully, usually because you are looking for something or someone.
      1. The officer scanned the room...
        那名警官仔细检查了房间。
      2. She was nervous and kept scanning the crowd for Paul...
        她很紧张,眼睛不停地在人群中搜寻保罗。
      3. He raised the binoculars to his eye again, scanning across the scene.
        他再一次把双筒望远镜举到眼前,仔细观察整个现场。
    3. VERB (用机器)扫描(行李等)
      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.
      1. Their approach is to scan every checked-in bag with a bomb detector.
        他们的方法是用炸弹探测器对每一个办理了登机手续的箱包进行扫描。
    4. VERB 扫描(磁盘以查毒)
      If a computer disk is scanned, a program on the computer checks the disk to make sure that it does not contain a virus.
      1. The disk has no viruses — I've scanned it already.
        这个盘没有感染病毒——我已经扫描过了。
    5. VERB 扫描(照片或文件)
      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.
      1. 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。
      2. Designs can also be scanned in from paper.
        设计图也可以从纸上扫描进电脑。
    6. VERB (雷达、声呐等)扫描,扫掠
      If a radar or sonar machine scans an area, it examines or searches it by sending radar or sonar beams over it.
      1. The ship's radar scanned the sea ahead.
        船上的雷达扫描了前方的海域。
    7. N-COUNT (医疗)扫描检查
      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.
      1. He was rushed to hospital for a brain scan.
        他被火速送往医院做脑部扫描。
      2. ...a breast scan to check for cancer.
        为诊察癌症所做的乳腺扫描检查
    8. 胎儿扫描检查
      If a pregnant woman has a scan, a machine using sound waves produces an image of her womb on a screen so that a doctor can see if her baby is developing normally.
      1. VERB (诗)符合格律,韵节合拍
        If a line of a poem does not scan, it is not the right length or does not have emphasis in the right places to match the rest of the poem.
        1. He had written a few poems. Sid told him they didn't scan.
          他写了几首诗。锡德告诉他那几首诗都不押韵。

      双语例句

      1. The specialist who carried out the brain scan thought Tim's chances of survival were still slim
        给蒂姆做脑部扫描的专科医生认为他活下来的可能性仍旧渺茫。
      2. Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory
        大多数处于妊娠期的妇女将被建议接受超声波检查,不过这不是强制性的。
      3. Sampras awaits the results of a bone scan on a painful left shin.
        桑普拉斯等待着疼痛的左腿胫骨的骨骼扫描结果。
      4. A brain scan last Friday finally set his mind at rest.
        上周五的脑部扫描终于让他放心了。
      5. She scanned the advertisement pages of the newspapers
        她浏览了一下报纸的广告页。
      6. I haven't read much into it as yet. I've only just scanned through it.
        我还没有细细研读,只是粗略地翻看了一下。
      7. The officer scanned the room
        那名警官仔细检查了房间。
      8. She was nervous and kept scanning the crowd for Paul
        她很紧张,眼睛不停地在人群中搜寻保罗。
      9. He raised the binoculars to his eye again, scanning across the scene.
        他再一次把双筒望远镜举到眼前,仔细观察整个现场。
      10. Their approach is to scan every checked-in bag with a bomb detector.
        他们的方法是用炸弹探测器对每一个办理了登机手续的箱包进行扫描。
      11. The disk has no viruses — I've scanned it already.
        这个盘没有感染病毒——我已经扫描过了。
      12. 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。
      13. Designs can also be scanned in from paper.
        设计图也可以从纸上扫描进电脑。
      14. The ship's radar scanned the sea ahead.
        船上的雷达扫描了前方的海域。
      15. He was rushed to hospital for a brain scan.
        他被火速送往医院做脑部扫描。
      16. He had written a few poems. Sid told him they didn't scan.
        他写了几首诗。锡德告诉他那几首诗都不押韵。
      17. I had an ultrasound scan to see how the pregnancy was progressing.
        我进行了超声波检查,看看妊娠情况如何。
      18. My fingers scan a book in braille.
        我的手指扫描着一本盲文书。
      19. He stood on tiptoe to scan the crowd.
        他跷起脚往人群里看。
      20. The second line of that verse doesn't scan properly.
        那首诗的第二行不符合格律。
      21. The scan output only shows the active Transmission Control Protocol ( TCP) and IP ports.
        该扫描的输出仅显示了活动的传输控制协议(TCP)和IP端口。
      22. This query plan shows a full table scan.
        该查询计划显示了一个全表扫描。
      23. In our environment, this table scan was I/ O-bound.
        在我们的环境中,这个表扫描是I/O绑定的。
      24. A: Can I scan the document?
        我能扫描这份文件吗?
      25. Have you looked at this scan carefully, doctor?
        医生,我是说你仔细看看这扫描?
      26. The results verify the validation of the algorithms and the superiority of the modified C scan image.
        成像结果验证了了算法的正确性和在涡流无损检测中的优势。
      27. A shape acquisition system using linear structured light scan is introduced in this paper.
        本文介绍了一个利用线结构光扫描获取目标三维信息的测量系统。
      28. The article introduces the current application of raster scan radar display technology, and discusses the latest display technology.
        本文介绍了近年来雷达光栅扫描显示技术的应用,并对当今出现的最新技术进行了探讨。
      29. Conversion and digital scan data displayed in the main loop implementation.
        数据换算和数码管扫描显示在主循环中实现。

      同义词辨析

        scan browse skim【导航词义:浏览】

        scan v. 浏览

      〔辨析〕又作 scan through, 指粗略地扫视报刊文章等,以便了解主要内容,含较强的目的性。

      〔例证〕
      He scanned through the newspapers and found nothing special.
      他快速翻阅报纸,没有发现什么特别的新闻。
      She scanned the list of names to see if hers was on it.
      她粗略地看了一下名单,想知道是否有她的名字。

        browse v. 浏览

      〔辨析〕指随意浏览书刊、计算机、因特网等,目的在于寻找有趣的信息或挑选中意的物品,常后接介词 through。

      〔例证〕
      Buy a magazine or browse in the gift shop.
      买本杂志或逛一下礼品商店。
      He likes to browse through old books on Sundays in old book stores.
      他喜欢星期天在旧书店翻阅旧书。
      The public can browse through the City Council's home page for the latest information.
      公众可以浏览市政会的网页,以获取最新信息。
      This feature allows you to browse your hard drive.
      这一功能让你可以浏览硬盘驱动器。

        skim v. 浏览,略读

      〔辨析〕指快速阅读以找出要点或主要信息,常后接介词 through/over。

      〔例证〕
      You can skim through the catalogue first.
      你可以先略读一下目录。
      The student skimmed through the test paper.
      那个学生快速阅读了考卷。
      Don't read the document word for word, just skim it.
      不要逐字细读文件,大致看一下就可以了。

      短语用例

      scan sth into sth

      scan sth in

      1. 把…扫描进;扫描输入
        to pass light over a picture or document using a scanner in order to copy it and put it in the memory of a computer
        1. I scanned the list quickly for my name.
          我很快浏览了一下名单,看有没有我的名字。
        2. She scanned through the newspaper over breakfast.
          她边吃早饭,边浏览报纸。

      英英释义

      noun

      1. the act of scanning
        1. he made a thorough scan of the beach with his binoculars

      2. an image produced by scanning
        1. he analyzed the brain scan
        2. you could see the tumor in the CAT scan

        Synonym:    CAT scan

      verb

      1. obtain data from magnetic tapes
        1. This dictionary can be read by the computer

        Synonym:    read

      2. read metrically
        1. scan verses

      3. make a wide, sweeping search of
        1. The beams scanned the night sky

      4. move a light beam over

        1. examine hastily
          1. She scanned the newspaper headlines while waiting for the taxi

          Synonym:    skimrakeglance overrun down

        2. examine minutely or intensely
          1. the surgeon scanned the X-ray

        3. conform to a metrical pattern