registered letter/mail
I could imagine nothing in our intercourse that should justify formality of registration.
我想象不出我们之间有什么话要郑重其事地用挂号信来传送。
—— 辞典例句Do you want to send it as an ordinary or registered letter.
您想寄平信还是挂号信?
—— 给力词典精选How much does it cost to mail a registered letter to China?
寄往中国的挂号信要多少钱?
—— 给力词典精选Well, to be on the safe side, I guess I´ll register it.
好吧, 为了保险起见, 我还是寄挂号信。
—— 给力词典精选Ms. Li comes to the post office to send a letter by registered mail.
李女士到邮局寄挂号信。
—— 给力词典精选