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
Well, I think I may have found a way to do it.
噢， 我想我也许已找到一种办法。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
Why didn't you tell me then?
为什么那时不告诉我呢？