Udf
abbr. 南非民主统一战线（United Democratic Front）；通用磁盘格式（Universal Disk Format）
🗣️ 情景例句
They can build a space craft and send it to the edges of our very solar system.
他们能制出航空飞船并将其发送到太阳系的边缘。
Would you take this coat to the cleaner's?
你可以把这件外套送到洗衣店吗？
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。