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
In America, it is generally thought that being a workaholic is unhealthy and harmful.
在美国，一般认为工作狂是不健康且有害的。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
Are there any hobbies or sports you particularly like?
你有什么特别癖好或特别喜欢的体育运动吗？