mail that is registered by the post office when sent in order to assure safe delivery
例句
用作名词 (n.)
I would like to send this letter registered. 我想挂号邮寄这封信。
To protect customers' interest, please return the product to our company by registered post. 为保障客户利益，请使用挂号邮寄形式将退货邮寄至本公司。
Addressee may apply for delivering registered mail items at night with night prompt delivery shifts and pays an extra prompt delivery charge. 收件人得申请将挂号函件改以晚间之限时邮班投递，并加纳限时费。
美
