keys：只以ascii显示键，或通过hexkeys命令，用十六进制格式显示它们。

Keys: show just the keys in ASCII or, with the hexkeys command, show them in hexadecimal format.

youdao

keys：只以ascii显示键，或通过hexkeys命令，用十六进制格式显示它们。

Keys: show just the keys in ASCII or, with the hexkeys command, show them in hexadecimal format.

youdao