Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
When they come out, we'll get it.
一出来， 我们就会拿到手。
We are not born for ourselves.
人生非为己。
It may be cheaper.but it takes a long time.
可能是便宜些，但花的时间长。