Ddu
abbr. 数字显示器（Digital Display Unit）；未完税交货（Deliverde Duty Unpaid）
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
Poverty is not a disgrace,but theft is a disgrace.
贫穷不可耻，偷窃乃足羞。
Hello. Could I speak to Pat, please?
喂，请帕特听电话好吗？