Uff
abbr. 里约州联邦大学（Universidade Federal Fluminense）；通用文件格式（Universal File Format）；超滤衰竭（Ultra Fihration Failure）
✅ 同义词
🗣️ 情景例句
How long does your vacation last?
你的假期有多长？
Providence is always on the side of the strongest battalions.
天公总是佑强者。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。