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
The costs of college get higher every year.
学费逐年增加，越来越贵。
Better be the head of a dog than the tail of a lion.
宁为犬首，不作狮尾。
They have all been put to shame by a boy who, while playing truant, travelled 1,600 miles.
而有那么一个小男孩，他在逃学期间旅行了1，600英里，从而使上述所有逃学的孩子们都相形见绌了。