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
That's better than being behind.
这总比落后要好。
It's hard sailing when there is no wind.
没有风难航行。
she was impatient to try it on.
这时她急于想试试。