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
Where there's a will, there's a way.
有志者事竟成。
I think it's going to be too dry.
我认为天气将会太干。
A match was held at Stilton, where both men fought for an hour.
于是两人在斯蒂尔顿设下赛场，厮打了一个小时。