1 to look at or read every part of sth quickly until you find what you are looking for 迅速地看；匆匆地翻阅；浏览: Vic scanned the list until he found his own name. 维克迅速地看名单，直到找到自己的名字为止。

2 (used about a machine) to examine what is inside a person's body or inside an object such as a suitcase （指机器）扫描，扫略，扫描检查（人体或对象内部）: Machines scan all the luggage for bombs and guns. 所有行李都要经机器扫描，看看有没有炸弹及枪械。

3 scan sth (into sth);scan sth (in)(computing计算机技术) to use a special machine (a scanner)to change printed words or pictures into electronic text in order to put them in the memory of a computer （用扫描仪）扫描: Text and pictures can be scanned into the computer. 文本及图片可以扫描到计算机里。