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
please don't complain
你可别再抱怨
He succeeded in passing the examination.
他成功地通过了考试。
There are some newspapers on the table.
桌上放着几份报纸。