mem.o.ran.dum

memorandum的音标和读音：
DJ音标发音： [ˌmeməˈrændəm]
KK音标发音： [ˌmɛməˈrændəm]

memorandum的词性：
n.（名词）

1. A short note written as a reminder.
备忘便条：作为提醒之物的短笺

2. A written record or communication, as in a business office.
备忘录：（如一商业机构的）书面记录或交流

3. Law A short written statement outlining the terms of an agreement, a transaction, or a contract.
【法律】 交易备忘录：一简要的书面申明，记载有一协议交易或合同的各项条件摘要

4. A business statement made by a consignor about a shipment of goods that may be returned.
代销委托书：承销人所作之商务声明，载明退还货物的运输事项

5. A brief, unsigned diplomatic communication.
外交备忘录：简明的未经签署的外交公文

memorandum的词源：

6. Middle English [to be remembered: used as a manuscript notation]
中古英语 [被记住，用作书面语]

7. from Latin [neuter sing. gerundive of] memor3re [to bring to remembrance] * see memorable
源自 拉丁语 [] memor3re的中性单数动形词 [纪念，记住] *参见 memorable