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 thought Max would be crying, and everybody would be awake.
我还以为Max会哭个不停， 让大家都睡不着。
We had a good time.
我们过得很愉快。
That's a problem we Chinese must pay special attention to.
这是我们中国人必须特别注意的问题。