The echo mocks her origin to prove she is the original

The echo mocks her origin to prove she is the original
请教哈这是什么意思

The echo mocks her origin to prove she is the original do you know the meaning of echo Echo是什么意思？ echo是什么意思 @echo off @ECHO OFF echo命令 echo是什么 怎样用ECHO命令 什么叫echo服务