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
Come on. Let's get some sleep.
走吧 ，让我们去睡觉吧。
I like dressing up in old-fashioned clothes.
我喜欢穿着老式的服装。
He came by train.
他乘火车来。