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TOEFL IELTS BNC: 5003 COCA: 4031
scan
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verb /skæn/
present tense
I/you/we/theyscan
he/she/itscans
present participlescanning
past tensescanned
past participlescanned
  1. 1
    [T] to look at something very carefully, because you hope or expect to see a particular person or thing 细看；仔细察看；审视

    He scanned her face but there were no signs of emotion. 他审视着她的脸，但未见有任何情感的流露。

    scan something for someone/something :

    Ella scanned the crowd for any sign of Geoff. 埃拉搜寻着人群，看有无杰夫的踪迹。

    anxiously/eagerly scan something :

    The pilot was anxiously scanning the sky for other air traffic. 飞行员焦急地在天空中仔细搜索着其他飞行器。

     Synonyms and related words
    General words meaning to look or not look: look around, look at, look...
    1. a.

      scan

      or

      scan through

      [I/T] to read something very quickly, in order to get a general idea of its meaning or to find particular information 粗略地看；浏览

      Merrill opened the letter, scanned it briefly, and threw it away. 梅里尔打开信，粗略地浏览了一下，然后把它扔掉了。

      Tony scanned through the television programmes in the local newspaper. 托尼在当地报纸上浏览了一下电视节目预告。

      scan something for something :

      She scanned the paper for any news of them. 她浏览报纸看看有没有他们的消息。

       Synonyms and related words
      To read something quickly: glance, skim, flick through...
       Synonyms and related words
      To try to find out information: investigate, look into, follow up...
    2. b.
      [I/T] if a machine or computer program scans something, it examines it in order to look for a particular thing （机器或计算机程序）扫描，察看

      A program is supplied which scans for viruses and removes them. 有人提供了一个程序用来扫描并消除病毒。

      Every fifty metres there was a camera scanning the road. 每50米有一个监视道路的摄像头。

       Synonyms and related words
      What computers and computer programs do: abort, bomb, boot...
    3. c.
      [T] to examine an area using sonar or radar equipment in order to find objects in it （用声呐或雷达）扫描，扫掠

      The spacecraft scans the Earth's oceans with radar instruments. 航天器用雷达设备扫描地球上的大洋。

       Synonyms and related words
      Radio, radar and sonar signals: atmospherics, directional, footprint...
  2. 2
    [I/T] to use a piece of equipment to read and store information in digital form 扫描

    You can use photographs and then scan them onto your computer. 你可以用照片，然后把它们扫描进计算机。

    His job was to scan barcodes in the store. 他的工作是在店里扫入条型码。

    scan in something (=scan something and store it in your computer) 扫描某物并储存于计算机 :

    You can scan in a photograph of your home. 你可以把你家的照片扫描到计算机中。

    scan something into something :

    Documents are scanned into a computer and then converted to electronic form. 文件被扫描进计算机，然后转换成了电子格式。

     Synonyms and related words
    To use or program a computer: access, archive, back up...
    1. a.
      if a piece of equipment scans a document, photograph etc, it changes it into a form that can be stored in a computer 将（文件、照片等）扫描进计算机

      A printer that can fax, scan, and copy saves space. 一台能传真、扫描和复制的打印机很节省空间。

       Synonyms and related words
      What computers and computer programs do: abort, bomb, boot...
  3. 3
    [T] to use a piece of equipment to produce a picture of the inside of a part of your body 扫描检查（身体内部）

    In one test, the subjects' brains were scanned while they read to themselves. 在一项测试中，实验对象在阅读时接受了对其大脑进行的扫描检查。

     Synonyms and related words
    To perform a medical test, treatment or operation: abort, anaesthetise, anaesthetize...
    1. a.
      to use a piece of equipment to produce a picture of the inside of an object 扫描检查（物体内部）

      He waited while the X-ray machine scanned his luggage. 当X射线机扫描检查他的行李时他在一边等候着。

       Synonyms and related words
      To perform a medical test, treatment or operation: abort, anaesthetise, anaesthetize...
    2. b.
      to use a piece of equipment to see the developing baby in a pregnant woman 扫描检查（孕妇体内胎儿情况）
       Synonyms and related words
      Pregnancy and having a baby: abort, the afterbirth, amniocentesis...
  4. 4
    [I] literature if poetry scans, it has a regular rhythm (=pattern of beats) （诗）符合格律，韵节合拍

    These are poems that neither rhyme nor scan. 这是些既不押韵也不符合格律的诗。

     Synonyms and related words
    Poetry and poets: alliteration, bard, conceit...
scan
★
noun [C] /skæn/
singularscan
pluralscans
  1. 1
    a medical test that uses a special piece of equipment to produce a picture of the inside of your body （对人体的）扫描检查

    a brain scan 脑部扫描检查

     Synonyms and related words
    Medical tests and examinations: amniocentesis, autopsy, biopsy...
    1. a.
      a medical test that uses a special piece of equipment to produce a picture of a developing baby inside a pregnant woman 胎儿扫描检查
       Synonyms and related words
      Medical tests and examinations: amniocentesis, autopsy, biopsy...
  2. 2
    an act of reading something very quickly, in order to get a general idea of its meaning or to find particular information 浏览；粗略一看

    a quick scan of the morning post 对早晨邮件的快速浏览

     Synonyms and related words
    Reading: reading, reader, scan...
TOEFL IELTS BNC: 5003 COCA: 4031
scan

noun¹

 1examination by a machine用機器檢查ADJECTIVE | VERB + SCAN | SCAN + VERB | SCAN + NOUN | PREPOSITION ADJECTIVE➤body, whole-body身體／全身掃描▸➤bone, brain, iris, retina, retinal骨掃描；腦部掃描；虹膜掃描；視網膜掃描▸➤CAT, CT, MRI, PET, ultrasound計算機 X 射線軸向斷層顯像掃描；磁共振成像掃描；正電子發射斷層顯像掃描；超聲波掃描➤antivirus, virus防病毒／病毒掃描▸➤routine常規掃描VERB + SCAN➤get, have, obtain, undergo（病人）做掃描▸➤carry out, do, perform, run, take（醫生）做掃描▸➤order要求（病人）做掃描檢查▸➤interpret解釋掃描結果SCAN + VERB➤confirm sth, indicate sth, reveal sth, show sth掃描證實⋯／表明⋯／揭示⋯／顯示⋯◇A scan revealed a small fracture in the hip area.掃描發現髖部有一處小骨折。SCAN + NOUN➤data, results掃描數據／結果PREPOSITION➤scan of對⋯的掃描◇The doctors took a scan of his thigh bone.醫生對他的大腿骨作了掃描檢查。
scan

noun²

 2quick look快速看ADJECTIVE | PREPOSITION ADJECTIVE➤cursory, quick粗略地／很快地掃視◇A quick scan of the local paper revealed nothing.快速瀏覽了一下當地報紙，沒有什麼發現。PREPOSITION➤scan of對⋯的掃視
scan

verb¹

 1look看ADVERB | PREPOSITION ADVERB➤carefully仔細查看▸➤anxiously, frantically, nervously焦急地／慌亂地／緊張地查看◇She scanned the street nervously, looking for the two men.她緊張地掃視街道，尋找那兩個人。➤slowly慢慢查看▸➤briefly, quickly, rapidly簡略地／快速地／迅速地瀏覽➤constantly時常瀏覽➤mentally, visually在大腦中搜尋；憑視覺搜尋PREPOSITION➤for通過瀏覽搜尋⋯◇I scanned the paper for news.我翻看報紙尋找新聞。➤across, around, down, through向對面查看；四周查看；往下看；查看◇My eyes scanned across the horizon.我朝天邊放眼望去。◇He scanned through the web pages.他快速瀏覽網頁。
scan

verb²

 2copy using a scanner掃描複製ADVERB➤automatically自動掃描➤digitally, electronically, optically數字／電子／光學掃描
TOEFL IELTS BNC: 5003 COCA: 4031
scan verb
⇨ read (scan a list/an article) ⇨ study (scan sb's face)scan noun
⇨ inspection

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