首頁›Browse›M›mail servicemail service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mail servicemail service — 名詞名詞1. a system for sending letters and packages1.名詞釋義郵政服務a system for sending letters and packages例句I used the mail service to send a gift to my friend.