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
No problem.
没问题。
I would like to call a gardener to come this afternoon.
我要叫一个园丁今天下午来。
Do you want to have lunch with us?
你跟我们一起吃午饭好吗？