| 释义 |
scan
noun countable UK /skæn/ 1 a medical test that uses a special piece of equipment to produce a picture of the inside of your body Synonyms and related words
Medical tests and examinations amniocentesis autopsy biopsy 1a a medical test that uses a special piece of equipment to produce a picture of a developing baby inside a pregnant woman Synonyms and related words
Medical tests and examinations amniocentesis autopsy biopsy
2 an act of reading something very quickly, in order to get a general idea of its meaning or to find particular informationa quick scan of the morning post Synonyms and related words
scan
noun countable US /skæn/ 1 a medical test that uses a special piece of equipment to produce a picture of the inside of your body Synonyms and related words
Medical tests and examinations amniocentesis autopsy biopsy 1a a medical test that uses a special piece of equipment to produce a picture of a developing baby inside a pregnant woman Synonyms and related words
Medical tests and examinations amniocentesis autopsy biopsy
2 an act of reading something very quickly, in order to get a general idea of its meaning or to find particular informationa quick scan of the morning mail Synonyms and related words
scan
1 transitive to look at something very carefully, because you hope or expect to see a particular person or thingHe scanned her face but there were no signs of emotion. scan something for someone/something: Ella scanned the crowd for any sign of Geoff. anxiously/eagerly scan something: The pilot was anxiously scanning the sky for other air traffic. Synonyms and related words
General words meaning to look or not look 1a scan or scan through intransitive/transitive to read something very quickly, in order to get a general idea of its meaning or to find particular informationMerrill opened the letter, scanned it briefly, and threw it away. Tony scanned through the television programmes in the local newspaper. scan something for something: She scanned the paper for any news of them. Synonyms and related words
To read something quickly Synonyms and related words
To try to find out information investigate look into follow up 1b intransitive/transitive if a machine or computer program scans something, it examines it in order to look for a particular thingA program is supplied which scans for viruses and removes them. Every fifty metres there was a camera scanning the road. Synonyms and related words
What computers and computer programs do 1c transitive to examine an area using sonar or radar equipment in order to find objects in itThe spacecraft scans the Earth’s oceans with radar instruments. Synonyms and related words
Radio, radar and sonar signals atmospherics directional footprint
2 intransitive/transitive to use a piece of equipment to read and store information in digital formYou can use photographs and then scan them onto your computer. His job was to scan barcodes in the store. scan in something (=scan something and store it in your computer): You can scan in a photograph of your home. scan something into something: Documents are scanned into a computer and then converted to electronic form. Synonyms and related words
To use or program a computer 2a if a piece of equipment scans a document, photograph etc, it changes it into a form that can be stored in a computerA printer that can fax, scan, and copy saves space. Synonyms and related words
What computers and computer programs do
3 transitive to use a piece of equipment to produce a picture of the inside of a part of your bodyIn one test, the subjects’ brains were scanned while they read to themselves. Synonyms and related words
To perform a medical test, treatment or operation abort anaesthetise anaesthetize 3a to use a piece of equipment to produce a picture of the inside of an objectHe waited while the X-ray machine scanned his luggage. Synonyms and related words
To perform a medical test, treatment or operation abort anaesthetise anaesthetize 3b to use a piece of equipment to see the developing baby in a pregnant woman Synonyms and related words
Pregnancy and having a baby abort the afterbirth amniocentesis
4 intransitive literatureif poetry scans, it has a regular rhythm (=pattern of beats)These are poems that neither rhyme nor scan. Synonyms and related words
scan
1 transitive to look at something very carefully, because you hope or expect to see a particular person or thingHe scanned her face but there were no signs of emotion. scan something for someone/something: Ella scanned the crowd for any sign of Geoff. anxiously/eagerly scan something: The pilot was anxiously scanning the sky for other air traffic. Synonyms and related words
General words meaning to look or not look 1a scan or scan through intransitive/transitive to read something very quickly, in order to get a general idea of its meaning or to find particular informationMerrill opened the letter, scanned it briefly, and threw it away. Tony scanned through the television programs in the local newspaper. scan something for something: She scanned the paper for any news of them. Synonyms and related words
To read something quickly Synonyms and related words
To try to find out information investigate look into follow up 1b intransitive/transitive if a machine or computer program scans something, it examines it in order to look for a particular thingA program is supplied which scans for viruses and removes them. Every fifty meters there was a camera scanning the road. Synonyms and related words
What computers and computer programs do 1c transitive to examine an area using sonar or radar equipment in order to find objects in itThe spacecraft scans the Earth’s seas with radar instruments. Synonyms and related words
Radio, radar and sonar signals
2 intransitive/transitive to use a piece of equipment to read and store information in digital formYou can use photographs and then scan them onto your computer. His job was to scan barcodes in the store. scan in something (=scan something and store it in your computer): You can scan in a photograph of your home. scan something into something: Documents are scanned into a computer and then converted to electronic form. Synonyms and related words
To use or program a computer 2a if a piece of equipment scans a document, photograph, etc., it changes it into a form that can be stored in a computerA printer that can fax, scan, and copy saves space. Synonyms and related words
What computers and computer programs do
3 transitive to use a piece of equipment to produce a picture of the inside of a part of your bodyIn one test, the subjects’ brains were scanned while they read to themselves. Synonyms and related words
To perform a medical test, treatment or operation abort anaesthetize anesthetize 3a to use a piece of equipment to produce a picture of the inside of an objectHe waited while the X-ray machine scanned his luggage. Synonyms and related words
To perform a medical test, treatment or operation abort anaesthetize anesthetize 3b to use a piece of equipment to see the developing baby in a pregnant woman Synonyms and related words
Pregnancy and having a baby abort the afterbirth amniocentesis
4 intransitive literatureif poetry scans, it has a regular rhythm (=pattern of beats)These are poems that neither rhyme nor scan. Synonyms and related words
|