scan

音標(biāo)發(fā)音

• 英式音標(biāo) [sk?n]
• 美式音標(biāo) [sk?n]
• 國際音標(biāo) [sk?n]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• vt. 掃描；瀏覽；細(xì)看；詳細(xì)調(diào)查；標(biāo)出格律
• vi. 掃描；掃掠
• n. 掃描；瀏覽；審視；細(xì)看

詞源解說

• 14世紀(jì)晚期進入英語，直接源自晚期拉丁語的scandere，意為掃讀詩句。

詞根記憶

• “四看”→四處看→掃描
• “四看”→四處看→細(xì)看
• “四看”→眼睛像掃描儀一樣四處看→掃描；瀏覽
• “四看”→四下看→細(xì)看

同根派生

• adj性質(zhì)的同根詞

  scanning：掃描的；觀測的；搜索的；掃掠的。

• n性質(zhì)的同根詞

  scanner：[計]掃描儀；掃描器；光電子掃描裝置。

  scanning：掃描；搜索，觀測；掃掠。

• v性質(zhì)的同根詞

  scanning：掃描（scan的現(xiàn)在分詞）；瀏覽。

• scan相關(guān)詞

用法辨析

v. (動詞)

• scan的基本含義是“看,掃視”,指一部分一部分地審視,可指認(rèn)真觀察研究,也可指粗略地瀏覽,須依據(jù)上下文確定其含義。引申還可指“合韻律”。
• scan可用作及物動詞,也可用作不及物動詞。用作及物動詞時,后接名詞或代詞作賓語。
• scan的過去式和過去分詞均為scanned。

• scan使用方法
• scan詳細(xì)辨析

英漢例句

用作動詞 (v.)

用作不及物動詞: S+～(+A)

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

用作及物動詞: S+～+ n./pron.

• He scanned the horizon, looking for land.
  他仔細(xì)察看地平線,看是否能找到陸地。

其他

• The other letter which I opened and scanned rapidly was from John.
  我拆開并匆匆看過的另一封信是約翰寫來的。

• scan更多例句

詞組短語

用作動詞 (v.)

～+名詞

• scan book 看書
• scan letter 看信
• scan list 看名單
• scan newspaper 看報紙
• scan sky 掃視天空

～+副詞

• scan anxiously 焦慮地察看

• scan更多詞組

英英字典

劍橋英英字典

• (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.

• scan劍橋字典
• scan柯林斯字典

專業(yè)釋義

計算機科學(xué)技術(shù)

• 搜索
• 用光掃描讀出(數(shù)據(jù))；自動核實(數(shù)據(jù)等)：
• 掃瞄

電子、通信與自動控制技術(shù)

• 掃描

  Dielectric beam splitter was employed in this system, which facilitates the scan of scattering angle.
  該系統(tǒng)使用了介質(zhì)分束片,可以方便地進行散射角掃描。

• 校驗(磁帶或穿孔卡等)

機械工程

• 掃描

  Planning scan path impress on the efficiency and accuracy of RP parts.
  掃描路徑的規(guī)劃關(guān)系到快速成型制件的效率和精度。

• 鉆(孔)

法學(xué)

• 審視

  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.
  圍繞辯護制度的完善筆者擬從以下五部分展開論述：第一部分,超脫辯護現(xiàn)狀,重新審視辯護制度的理論基礎(chǔ),尋求辯護制度的應(yīng)然狀態(tài)。

  醫(yī)藥科學(xué)

• 細(xì)看
• 瀏覽

生物學(xué)

• 掃描
• 瀏覽