Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
I can't drive, I've never driven in my life.
我不会开车，我这辈子都没开过车。
Bitter pills may have wholesome effect.
良药苦口利于病。
Come to school in your old clothes tomorrow!
明天上学时请穿旧衣服来！