unrecoverable
🇺🇸
/ˌʌnrɪˈkʌvərəbl/
🇬🇧
/ˌʌnrɪˈkʌvərəbl/
impossible to get back or restore
The files were lost in a system crash, making them unrecoverable.
这些文件在系统崩溃中丢失,使它们无法恢复。