英语单词

scan是什么意思

scan

英[skæn] |美[skæn]
    vt.扫描;细看;细查;(雷达)对…进行扫描
    n.扫描;浏览;审视;(雷达)(屏面上的)光点
    vi.(光束、雷达等)扫描;扫略;(诗歌)符合韵律;标出诗歌的格律
日语:スキャン 法语:balayage 德语:Scan 韩语:주사 俄语:escanear

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


    词形变化

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



    中文词源

    scan 标出诗歌的韵律,察看,浏览,扫描

    来自拉丁语 scandere,攀爬,攀登,来自 PIE*skand,爬,跳,词源同 ascend,descend.字母 d 脱 落,比较 lawn,land.引申词义标出诗歌的韵律,即标出诗歌的抑扬顿挫,并进一步引申词义 仔细看,检查,察看,浏览,后用于指扫描,且成为主要词义。



    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。


    语源

    late Middle English (as a verb in sense 2): from Latin scandereclimb (in late Latin scan (verses), by analogy with the raising and lowering of ones foot when marking rhythm. From analyse (metre) arose the senses estimate the correctness of and examine minutely, which led to look at searchingly (late 18th cent.)


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