erase a file

• 擦除文件

erase a file的用法和样例：

例句

1. In addition, file system backups and remote mirrors may contain copies of the file that cannot be removed, and that will allow a shredded file to be recovered later.
   另外，文件系统备份和远程镜像可能会包含不能被移除文件的拷贝，这将会允许碎片文件被恢复。