Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
My feeling is that you ought to stay home tonight.
我觉得今晚你应该呆在家里。
Courage and resolution are the spirit and soul of virtue.
勇敢和决心是美德的灵魂。
I am very well. Did you have a good summer holiday?
我很好。你暑假过得好吗？