| 释义 |
verb | noun scanscan1 /skæn/ ●●○ verb (scanned, scanning) ETYMOLOGYscan1Origin: 1300-1400 Late Latin scandere, from Latin, to climb VERB TABLEscan |
| Present | I, you, we, they | scan | | he, she, it | scans | | Past | I, you, he, she, it, we, they | scanned | | Present perfect | I, you, we, they | have scanned | | he, she, it | has scanned | | Past perfect | I, you, he, she, it, we, they | had scanned | | Future | I, you, he, she, it, we, they | will scan | | Future perfect | I, you, he, she, it, we, they | will have scanned |
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| Present | I | am scanning | | he, she, it | is scanning | | you, we, they | are scanning | | Past | I, he, she, it | was scanning | | you, we, they | were scanning | | Present perfect | I, you, we, they | have been scanning | | he, she, it | has been scanning | | Past perfect | I, you, he, she, it, we, they | had been scanning | | Future | I, you, he, she, it, we, they | will be scanning | | Future perfect | I, you, he, she, it, we, they | will have been scanning |
► scan in You can scan in pictures and then manipulate them on screen. THESAURUSwords/books► reada)to look at written words and understand what they mean: I like to read in bed. Always read the directions before you begin.b)to have the ability to look at words and understand them: My parents taught me to read. I can read Spanish, but I can’t speak it very well. ► browse to look at pages of a magazine or book and just read the interesting parts: He browsed through one of the old books. ► skim to read something very quickly to get the main ideas: I only had time to skim the article, so I didn’t get all the details. ► look through to turn the pages of something and look at them without reading everything: He looked through the report to make sure all the pages were there. ► flip/thumb through something to quickly turn the pages of a magazine or book without reading much: She flipped nervously through a magazine as she waited to see the doctor. ► scan to read something quickly to find the specific information you want: She scanned the list for her name. ► study to read something very carefully to find out information: Lisa studied the menu in the restaurant, hoping to find something that was not too fattening. ► pore over something to read something very carefully for a long time: She pored over the journals looking for clues. ► devour something formal to read something quickly and eagerly: As a child, Gayle devoured detective stories. ► plow/wade through something to read something long and boring: It would take hours to wade through the contract. ► peruse formal to read something carefully: She sat at her desk perusing the manual. 1 (also scan through) [intransitive, transitive] to read something quickly in order to understand its main meaning or to find some particular information: Stern started every day by scanning the want ads.► see thesaurus at read12[intransitive, transitive] computers to use a scanner (=piece of computer equipment) to copy a document or a picture into digital form: You can scan in pictures and then manipulate them on screen.3[transitive] if a machine scans an object or a part of your body, it passes a beam of electrons over it to produce a picture of its surface or of what is inside: All luggage is scanned before the flight.scan somebody/something for something Women are now regularly scanned for breast cancer.4[intransitive, transitive] if a machine, instrument, or computer program scans something, it searches it carefully to find something: scan (something) for something The program scans for computer viruses.5[transitive] to examine an area carefully but quickly, because you are looking for a particular person or thing: Surveillance cameras constantly scan the sidewalks.scan something for something I scanned the room for familiar faces.6eng. lang. arts a)[intransitive] poetry that scans has a regular pattern of beats b)[transitive] to find or show a regular pattern of beats in a poem or line of poetry [Origin: 1300–1400 Late Latin scandere, from Latin, to climb] → see also scansion verb | noun scanscan2 ●○○ noun 1[countable] a test done by a scanner (=special machine that produces a picture of the inside of something): a bone scan2[singular] the act of looking at or reading something quickly: a quick scan of the headlines |