Umd
abbr. 便携数字智能产品（Ultra Mobile Devices）；PSP专用光盘（Universal Media Disc）
🗣️ 情景例句
Nancy, would you like to come over the day after tomorrow?
南西，你后天要不要到我家来？
Have you finished yet?
你做完了吗？
That's a good buy.
那买得便宜。