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
I am a representative of Politics Association.
我是政治协会的代表。
No wonder you're so experienced.
怪不得你这么有经验。
The deer are farmed for their meat and fur, which are then shipped to many other countries.
饲养鹿的目的是为了获取鹿的肉皮，然后鹿皮会被轮船运往许多别的国家。