vt.扫描；浏览；审视；细看
vi.合韵律；划分音步
n.扫描；浏览；细看
Could you teach me how to scan an image? 你可以教我如何扫描一个影像吗?
I scanned the newspaper when I was waiting for the bus. 等公共汽车的时候，我匆匆浏览了一下报纸。
She scanned his face, looking for signs of what he was thinking. 她审视他的脸,试图探寻他在思考什么。
I scanned my pocket for change. 我仔细查看囗袋找零钱。
用作不及物动词 (vi.)The verses scan well. 这些诗句符合韵律。
用作名词 (n.)The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
I'm too busy to read the whole newspaper, I just scan the headline. 我太忙了，没法看整份报纸，只是浏览了一下大标题。
scan的基本含义是“看,扫视”,指一部分一部分地审视,可指认真观察研究,也可指粗略地浏览,须依据上下文确定其含义。引申还可指“合韵律”。
scan可用作及物动词,也可用作不及物动词。用作及物动词时,后接名词或代词作宾语。
scan的过去式和过去分词均为scanned。
scan本身就有“细看,审视”的意思,所以一般不与careful连用。例如: 那男人审视着医生的脸。误:The man scanned the doctor's face carefully.正:The man scanned the doctor's face.
scan还可用作名词,作“扫描”解。例如:The first scan was bad, so I had to do it again .第一次扫描不好,所以我得重做。
