Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
Yes, a double room, please. What?
对， 双人房间 麻烦你。什么？
He is a good man whom fortune makes better.
好人走运人更好。
'Of course I do,' answered the man.
“当然是的，”那人回答。