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
There's a toga party at my place tonight.
今晚在我家有个聚会。
Be prepared to put one's hand in one's pocket.
准备慷慨解囊。
Henry Taylor, he went offimmediately to visit him,
亨利·泰勒，就立刻跑去看他，