vt.

1. 细看；审视[（+for）]
   His mother scanned his face to see if he was telling the truth.

   他母亲察看他的面色看他是不是在讲真话。

2. 【美】粗略地看；浏览
   I scanned Time magazine while waiting at the doctor's office.

   在医生的诊所等的时候，我翻看时代杂志。

   He scanned the headlines of the evening paper.

   他浏览晚报的大标题。

3. 标出（诗）的格律；按韵律吟诵
4. （用电子仪等）校验（磁带等）
5. （雷达光束等）扫描，扫掠[（+for）]
   The photo-electric reader is capable of scanning characters at the rate of two thousand a second.

   光电阅读器每秒钟能扫描两千字。

vi.

1. （诗）符合格律，韵律合拍
   These lines do not scan.

   这几行诗不合韵律。

2. 标出诗的格律
3. 扫描，扫掠

n.[U][S1]

1. 细看；审视
2. 粗略一看；浏览
3. 眼界，视野
4. 扫描，扫掠
   The second scan revealed a brain tumor.

   第二次扫描显示出一个脑瘤。

v.

1. look at quickly in order to identify relevant features or information.
2. traverse with a detector or an electromagnetic beam, especially to obtain an image.
   ▸cause (a beam) to traverse across a surface or object.
   ▸resolve (a picture) into its elements of light and shade in a prearranged pattern for the purposes of television transmission.
   ▸convert (a document or picture) into digital form for storage or processing on a computer.
3. analyse the metre of (a line of verse) by reading with appropriate intonation or by examining the pattern of feet or syllables.
   ▸(of verse) conform to metrical principles.

n.

1. an act of scanning.
2. a medical examination using a scanner.
   ▸an image obtained by scanning or with a scanner.