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
Oh, it's OK.
噢 ，没关系。
Happy is he who owes nothing.
无债一身轻。
The following case is a typical example of the Ombudsman's work.
下述事件是司法特派员工作的一个典型例子。