域名到底是个啥?三分钟搞懂互联网门牌号的秘密,揭秘互联网门牌号,三分钟掌握域名奥秘
What exactly is a domain name? Understand the secrets of Internet house numbers in three minutes, uncover the secrets of Internet house numbers, and master the mysteries of domain names in three minutes
以上为机器翻译结果，长、整句建议使用 人工翻译 。