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
I see. Is a credit card OK?
我明白了。用信用卡可以吗？
It isn't much.
那是微不足道的。
we quickened our pace and made our way rapidly towards the stream where we hoped the boatman was waiting.
快速地朝深溪边走去，希望船夫还在那儿等着我们。