- 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
- 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
noun: scan, plural noun: scans
- 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
- ▪ 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 反義詞
- 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. analyse the metre 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
- 1. an act of scanning someone or something a quick scan of the sports page 同義詞
- 2. a medical examination using a scanner a brain scan 同義詞
- ▪ an image obtained by scanning or with a scanner you can't predict anything until he has seen the scan