Ddm
abbr. 调制深度差（Difference of Depth of Modulation）；分布式数据管理（Distributed Data Management）
🗣️ 情景例句
a two-bedroom house in Mount Kisco.
一栋有两间卧室的房子， 在Mount Kisco。
What do you plan to do tomorrow?
你计划明天做什么？
When one seriously studies the social orders that have had the opportunity to develop autonomously,
当一个人认真地研究自发形成的社会秩序时，