94生活常识网有道词典

scan

S 开头单词六级词汇四级词汇考研词汇专四核心词专八核心词雅思备考词托福词汇高考词汇词源字典

音标发音

  • 英式音标 [skæn]
  • 美式音标 [skæn]
  • 国际音标 [skæn]
  • 英式发音
  • 美式发音

基本解释

  • vt. 扫描；浏览；细看；详细调查；标出格律
  • vi. 扫描；扫掠
  • n. 扫描；浏览；审视；细看

词源解说

  • 14世纪晚期进入英语，直接源自晚期拉丁语的scandere，意为扫读诗句。

词根记忆

  • “四看”→四处看→扫描
  • “四看”→四处看→细看
  • “四看”→眼睛像扫描仪一样四处看→扫描；浏览
  • “四看”→四下看→细看

同根派生

  • adj性质的同根词
    scanning：扫描的；观测的；搜索的；扫掠的。
  • n性质的同根词
    scanner：[计]扫描仪；扫描器；光电子扫描装置。
    scanning：扫描；搜索，观测；扫掠。
  • v性质的同根词
    scanning：扫描（scan的现在分词）；浏览。

用法辨析

    v. (动词)

  • scan的基本含义是“看,扫视”,指一部分一部分地审视,可指认真观察研究,也可指粗略地浏览,须依据上下文确定其含义。引申还可指“合韵律”。
  • scan可用作及物动词,也可用作不及物动词。用作及物动词时,后接名词或代词作宾语。
  • scan的过去式和过去分词均为scanned。

英汉例句

    用作动词 (v.)

    用作不及物动词: S+～(+A)

  • The second line of that verse doesn't scan properly.
    那首诗的第二行不符合格律。

    • 用作及物动词: S+～+ n./pron.

  • He scanned the horizon, looking for land.
    他仔细察看地平线,看是否能找到陆地。

    • 其他

  • The other letter which I opened and scanned rapidly was from John.
    我拆开并匆匆看过的另一封信是约翰写来的。

词组短语

    用作动词 (v.)

    ～+名词

  • scan book 看书
  • scan letter 看信
  • scan list 看名单
  • scan newspaper 看报纸
  • scan sky 扫视天空

    • ～+副词

  • scan anxiously 焦虑地察看

英英字典

    剑桥英英字典

  • (LOOK) to look at something carefully, with the eyes or with a machine, in order to get information
  • (MAKE PICTURE) to use a machine to put a picture of a document into a computer, or to take a picture of the inside of something
  • (POEM) If a poem or part of a poem scans, it follows a pattern of regular beats.
  • a careful or quick look through something

    • 柯林斯英英字典

  • When you scan written material, you look through it quickly in order to find important or interesting information.
  • Scan is also a noun.
  • When you scan a place or group of people, you look at it carefully, usually because you are looking for something or someone.
  • 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.
  • If a computer disk is scanned, a program on the computer checks the disk to make sure that it does not contain a virus.
  • 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.
  • If a radar or sonar machine scans an area, it examines or searches it by sending radar or sonar beams over it.
  • 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.

专业释义

    计算机科学技术

  • 搜索
  • 用光扫描读出(数据)；自动核实(数据等)：
  • 扫瞄

    • 电子、通信与自动控制技术

  • 扫描

    Dielectric beam splitter was employed in this system, which facilitates the scan of scattering angle.
    该系统使用了介质分束片,可以方便地进行散射角扫描。

  • 校验(磁带或穿孔卡等)

    • 机械工程

  • 扫描

    Planning scan path impress on the efficiency and accuracy of RP parts.
    扫描路径的规划关系到快速成型制件的效率和精度。

  • 钻(孔)

    • 法学

  • 审视

    Around the perfection of the system of defence, the author would dissertate from the following five parts. The first part, to take off the current defence situation, scan the theoretical basis of defence system anew and find its sollen state.
    围绕辩护制度的完善笔者拟从以下五部分展开论述：第一部分,超脱辩护现状,重新审视辩护制度的理论基础,寻求辩护制度的应然状态。

    医药科学

  • 细看
  • 浏览

    • 生物学

  • 扫描
  • 浏览