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
Lacks knowledge or experience.
知识匮乏或经验不足。
Better go to bed supperless than rise in debt.
宁可饿肚子，切莫去借债。
Let me think. Maybe I could ask Jeanne. She married a man with a lot of money. I'll go and see her on Friday after I get the new dress.
我想想看。或许我可以去问问让娜。她嫁给了一位很有钱的男人。等我买好新衣服，星期五就去看她。