a poisonous snake from Africa and southern Asia that makes itself look bigger and more threatening by spreading the skin at the back of its head

abbreviation for Cabinet Office Briefing Rooms: a meeting room or rooms where an emergency committee (= official group) of the British government meets for urgent discussions, or the committee itself

He held talks with security chiefs in the Parliament's emergency briefing room, COBRA, about whether to close the subway network. 他在议会紧急简报室与安全负责人就是否关闭地铁网络进行了会谈。

Chairing the emergency Cobra committee, the Health Secretary said: "It's crucial we prepare for things getting worse."

Ministers broke off their holidays to hold an emergency Cobra meeting to discuss the outbreak. 部长们中断假期，召开内阁办公室简报室紧急会议讨论疫情。