send by registered mail編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看send by registered mailsend by registered mail — 動詞動詞1. to send a letter or package using a service that provides a receipt and tracking1.動詞釋義掛號郵寄to send a letter or package using a service that provides a receipt and tracking例句I need to send this document by registered mail.