recorded delivery
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（需收件人签收） I’d like to send this (by) recorded delivery. 这个邮件要挂号。