Cfels
(cfel 的复数) abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
I had planned to wear them.
我早就预备戴它们。
Time works great changes.
时间能产生巨大的变化。
Very strange. It was my first earthquake, you see, and I didn't know what was happening.
很奇怪。那是我第一次经历地震，你瞧，我当时还不知道发生了什么事。