registered mail
US /ˈredʒ.ɪ.stərd meɪl/
UK /ˈredʒ.ɪ.stəd meɪl/
名词
挂号信, 注册邮件
a mail service that provides extra security for valuable or important items, ensuring proof of mailing and delivery
示例:
•
I sent the important documents by registered mail.
我通过挂号信寄送了重要文件。
•
You need to send this contract by registered mail to ensure it arrives safely.
您需要通过挂号信寄送这份合同，以确保其安全送达。