说明：  为脚本解释器，其包含了包括有 Perl for Win32、Perl for ISAPI、PerlScript、Perl Package Manager四套开发工具程序，可以让用户编写出适用于unix，windows，linux系统的CGI程序来。
(It is a script interpreter, which includes four sets of development tool programs including Perl for Win32, Perl for ISAPI, PerlScript, and Perl Package Manager, allowing users to write CGI programs suitable for unix, windows, and linux systems.)