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
I'd like to introduce you to some of my friends.
我想介绍你认识一些我的朋友。
Again.
又来了！
CUSTOMS OFFICER: Are your friends tourists too?
你们的朋友也是来旅游的吗？