re·cord·ed de·liv·er·y
noun/rɪˌkɔːdɪd dɪˈlɪvəri/
/rɪˌkɔːrdɪd dɪˈlɪvəri/
(British English) (North American English certified mail)
[uncountable]- a method of sending a letter or package in which the person sending it gets an official note to say it has been posted and the person receiving it must sign a form when it is delivered
挂号邮寄（寄件人会收到发件通知，收件人须签收） - I’d like to send this (by) recorded delivery.
这个邮件要挂号。
- I’d like to send this (by) recorded delivery.