Bfd
abbr. 双向转发检测机制（Bidirectional Forwarding Detection）；发现路由器转发故障的新协议；二进制文件描述符（Binary File Descriptor）
🗣️ 情景例句
I just solved the mystery.
我刚刚把那个谜底解开了。
I'm terribly sorry.
真是对不起您。
At present, they are visiting all parts of the country.
目前他们正在全国各地巡回演出，