scan

名词 n. 动词 v.
中文释义
英 /skæn/|/skan/    美 /skæn/

英文释义

名词 n.
  1. A close investigation.; Of written things, a careful reading.
  2. A close investigation.; Of written things, a cursory reading: a skim.
  3. An instance of scanning.
    — The operators vacated the room during the scan.
  4. The result or output of a scanning process.
    — The doctors looked at the scans and made a diagnosis.
  5. A higher-order function that applies a binary operation to a sequence of values, starting with an accumulator, and returns a new sequence with the results.
动词 v.
  1. To examine sequentially, carefully, or critically; to scrutinize; to behold closely. transitive
    — She scanned the passage carefully but could not find what she was looking for.
  2. To examine sequentially, carefully, or critically; to scrutinize; to behold closely.; To inspect, analyse or go over, often to find something. transitive
    — to scan the hard drive for errors
  3. To look about for; to look over quickly. transitive
  4. To look about for; to look over quickly.; To perform lexical analysis; to tokenize. transitive
  5. To create an image of something with the use of a scanner. transitive
    — to scan a photograph
  6. To read with an electronic device. transitive
    — to scan a barcode
  7. To mount by steps; to go through with step by step. obsolete,transitive
    — But ere these matchless heights I dare to scan, / There is a spot should not be pass'd in vain,— / Morat ! the proud, the patriot field ! where man / May gaze on ghastly trophies of the slain,[…]
  8. To read or mark so as to show a specific metre. transitive
    — In such cases as these, almost any one with a good ear will "scan" the verse correctly enough without instruction. It is not proposed to give here a list of Shakspere's slurred and contracted words; […]
  9. To conform to a metrical structure. intransitive
    — You're right, sir, it doesn't scan very well in the English, but in the Gaelic it's sheer poetry. Have you the Gaelic?

词形变化

scans present,singular,third-person scanning participle,present scanned participle,past scanned past scans plural

词汇关系

衍生词
backscan descan forescan prescan scannability scannable misscan radioscan rescan bioscan body scan bone scan bootscan brainscan B-scan cardioscan CAT scan con-scan CT scan downscan egoscan fluoroscan helical scan hitscan interscan introscan keyscan line scan livescan microscan moisture scan multiscan NT scan nuchal scan nuchal translucency scan overscan pan and scan portscan postscan radiochromatoscan scan-a-thon scanathon scanbed scancode scan code scanday scan doubler scanless scanline scan line scanno scanography scanometric scanpath scan sheet scanslation scantron scanxiety self-scan Shuric scan slit-scan ultrascan underscan upscan
相关词
scansion pan and scan scanlate scanlation scanlator scanner

词源

词源 1
From late Middle English scanne (“to mark off verse to show metrical structure”), from earlier scanden, from Late Latin scandere (“to scan verse”), from Classical Latin scandō (“to climb, rise, mount”), from Proto-Indo-European *skend- (“to jump, dart, climb, scale, scan”).
词源 2
From late Middle English scanne (“to mark off verse to show metrical structure”), from earlier scanden, from Late Latin scandere (“to scan verse”), from Classical Latin scandō (“to climb, rise, mount”), from Proto-Indo-European *skend- (“to jump, dart, climb, scale, scan”).
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