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
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
I prefer fishing to swimming.
比起游泳，我更喜欢钓鱼。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。