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1. Oxford American Dictionary

   scan

   • IPA[skan]

   美式

   • v.
     look at all parts of (something) carefully in order to detect some feature；look quickly but not very thoroughly through (a document or other text) in order to identify relevant information
   • n.
     an act of scanning someone or something；a medical examination using a scanner

   • verb: scan, 3rd person present: scans, gerund or present participle: scanning, past tense: scanned, past participle: scanned

2. • 釋義
   • 相關詞

   v.

   動詞

   • 1. look at all parts of (something) carefully in order to detect some feature he raised his binoculars to scan the coast 同義詞 study, examine, scrutinize, inspect, survey, ... 更多search, scour, sweep, rake, look at, look someone/something up and down, stare at, gaze at, eye, watch, contemplate, regard, take stock of, glass, informalcheck out, recce, scope, archaiccon
   • ▪ look quickly but not very thoroughly through (a document or other text) in order to identify relevant information we scan the papers for news from the trouble spots I scanned through the reference materials 同義詞 glance through/over, look through/over, have a look at, run/pass/cast one's eye over, skim, ... 更多flick through, flip through, riffle through, leaf through, thumb through, read quickly, browse through, peruse反義詞 pore over
   • 2. cause (a surface, object, or part of the body) to be traversed by a detector or an electromagnetic beam their brains are scanned so that researchers can monitor the progress of the disease
   • ▪ cause (a beam) to traverse across a surface or object we scanned the beam over a sector of 120°
   • ▪ convert (a document or picture) into digital form for storage or processing on a computer text and pictures can be scanned into the computer
   • ▪ resolve (a picture) into its elements of light and shade in a prearranged pattern for the purposes of television transmission.
   • 3. analyze the meter of (a line of verse) by reading with the emphasis on its rhythm or by examining the pattern of feet or syllables.
   • ▪ (of verse) conform to metrical principles well, it doesn't rhyme and certainly doesn't scan

   n.

   名詞

   • 1. an act of scanning someone or something a quick scan of the sports page 同義詞 inspection, scrutiny, examination, survey, search, ... 更多glance, look, flick, browse, skim
   • ▪ a medical examination using a scanner a brain scan 同義詞 examination, screening, ultrasound (scan)
   • ▪ an image obtained by scanning or with a scanner we can't predict anything until we have seen the scan

   scanning tunneling microscope

   • n.
     a high-resolution microscope using neither light nor an electron beam, but with an ultrafine ...

   Oxford American Dictionary

   scanning tunnelling microscope

   • n.
     a high-resolution microscope using neither light nor an electron beam, but with an ultra-fine ...

   Oxford Dictionary

   scanning electron microscope

   • n.
     an electron microscope in which the surface of a specimen is scanned by a beam of electrons ...

   Oxford American Dictionary

   scanning electron microscope

   • n.
     an electron microscope in which the surface of a specimen is scanned by a beam of electrons ...

   Oxford Dictionary

   CAT scan

   • n.
     an X-ray image made using a form of tomography in which a computer controls the motion of the ...

   Oxford Dictionary

   CT scan

   • n.
     an X-ray image made using a form of tomography in which a computer controls the motion of the ...

   Oxford American Dictionary

   PET scan

   • n.
     an image made using positron emission tomography, especially one of the brain: the PET scans showed a spike in the activation of the brain's opioid receptors

   Oxford American Dictionary

   slow-scan

   • adj.
     scanning at a much slower rate than usual, so that the resulting signal has a much smaller ... a slow-scan transmission

   Oxford Dictionary

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3. • 更多解釋

   scan

   • IPA[skan]

   英式

   • v.
     look at all parts of (something) carefully in order to detect some feature: he raised his binoculars to scan the coast
   • n.
     an act of scanning someone or something: a quick scan of the sports page

   Oxford Dictionary