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
And I want you to meet the people in the art department.
我也希望你与美编部的人见见面。
We've arranged our schedule without any trouble.
我们已经很顺利地把活动日程安排好了。
No, she didn't hurt herself. She was all right.
没有，她没有摔伤。她没事。