名詞 scanner:

1. someone who scans verse to determine the number and prosodic value of the syllables
2. an electronic device that generates a digital representation of an image for data input to a computer
   同義詞：digital scanner, image scanner
3. a radar dish that rotates or oscillates in order to scan a broad area
4. a radio receiver that moves automatically across some selected range of frequencies looking for some signal or condition
   同義詞：electronic scanner

scan.ner

n.（名詞）
One that scans.
掃描儀
A receiver that continuously broadcasts signals it detects from specified radio frequencies:
掃描天線：一種接收器，可連續(xù)不斷地播送針對特定無線電頻率所檢波到的信號：
例句：
heard about the robbery over the police officer`s scanner.
從警察的掃描天線聽聞有關(guān)搶劫的事

An optical scanner.
光學(xué)掃描儀
A device, such as a CAT scanner or PET scanner, for observing internal organs, tissues, and other parts of the body,
放射性掃描儀：用來觀察內(nèi)部器官、組織或身體其它部位的掃描儀器，如計算機斷層掃描儀或正電子發(fā)射層析掃描儀