Missive
01
长信, 正式信函
a letter which is usually long and official
例子
The CEO sent out a missive to all employees regarding the upcoming changes in company policy.
首席执行官向所有员工发送了一份公函，关于公司政策即将发生的变化。
The missive from the ambassador arrived late, causing delays in the diplomatic negotiations.
大使的信函迟到了，导致外交谈判延误。
