When you scan a place or group of people, you look at it carefully, usually because you are looking for something or someone. 仔细察看• The officer scanned the room. 警察仔细察看了那个房间。
noun [抽象名词]快速查阅,浏览;(医疗)扫描检查;扫描图;胎儿扫描检查
I just had a quick scan through your book again. 我刚刚把你的书又作了一次浏览。