Registered mail
01
挂号信, 挂号邮件
a postal service that provides secure and trackable delivery for important or valuable items, requiring the recipient's signature upon receipt
语法信息
有生性状态
抽象
形态构成
复合词
不可数
复数形式
registered mails
例子
She decided to send the legal documents by registered mail to ensure they arrived safely.
她决定通过挂号信寄送法律文件,以确保它们安全到达。



























