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
Let them have your parking space, that way you won't come back later to find your car vandalized.
让他们把车停在你的停车位吧，那样你回来时就不会发现你的车被刮花。
Do you live on Queen St?
你在皇后大道居住吗？
I rang the bell and was not surprised to see that Hugh was still as fat as ever.
我按响了门铃，当看到休仍和往常一样胖时，我并不感到惊奇。