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新东方-柯林斯雅思备考词典

scan

英  [skæn]
    

[NOUN, VERB]

    NOUN. 名词

  • scans

    1. [SING 单数型名词] 浏览

    A scan through written material is the action of looking quickly through it in order to find important or interesting information.

    双语例句

    例：

    I just had a quick scan through your book again.

    我刚刚把你的书又浏览了一遍。

    2. [C 可数名词] （身体）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.

    近义词

    X-ray , MRI , CAT scan

    双语例句

    例：

    A brain scan revealed the blood clot.

    脑部扫描检查发现了那个血块。

    VERB. 动词

  • scans , scanning , scanned

    1. [I 不及物动词] 浏览

    When you scan written material, you look through it quickly in order to find important or interesting information.

    近义词

    skim , browse

    反义词

    pore over , examine

    双语例句

    例：

    She scanned the advertisement pages of the newspapers.

    她浏览了报纸的广告页。

    例：

    I haven't read much into it as yet. I've only just scanned through it.

    到现在为止我还没有仔细研读，只是粗略地看了一下。

    2. [I 不及物动词] 仔细察看

    When you scan a place or group of people, you look at it carefully, usually because you are looking for something or someone.

    双语例句

    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，眼睛一直在人群中搜寻保罗。

    3. [T 及物动词] （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.

    双语例句

    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对每一个办理了登机手续的箱包进行扫描。

    4. [T 及物动词] 扫描（计算机的文件或磁盘以查病毒）

    If a computer document or disk is scanned, a program on the computer checks it to make sure that it does not contain a virus.

    双语例句

    例：

    Not all ISPs are equipped to scan for viruses.

    并非所有的因特网服务供应商都自带杀毒软件。

    5. [T 及物动词] 扫描（图片或文件）

    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.

    双语例句

    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。

    6. [T 及物动词] （用雷达或声纳波束）扫描

    If a radar or sonar machine scans an area, it examines or searches it by sending radar or sonar beams over it.

    双语例句

    例：

    The ship's radar scanned the sea ahead.

    船上的雷达扫描了前方海域。

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