Esf
abbr. 欧洲社会基金（European Social Fund）；欧洲科学基金会（European Science Foundation）；电爆炸成形（Electro Spark Forming）
🗣️ 情景例句
Did you have dinner, Robbie?
你吃晚餐了吗， Robbie？
Please ask John to turn on the lights.
请要求约翰打开灯。
We had to queue for hours to get in and there must have been several hundred people present just before the show began.
我们不得不排了好几个小时才进得场去。在演出开始前场内肯定已有好几百人了。