erase：释义

To remove (something written, for example) by rubbing, wiping, or scraping.

To remove (recorded material) from a magnetic tape or other storage medium: erased a file from the diskette.

To remove recorded material from (a magnetic tape or disk, for example): erased the videocassette.

To remove all traces of.

To remove or destroy as if by wiping out: had to erase all thoughts of failure from his mind.