Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
My boss is a slave driver.
我的老板指使我们像指使奴隶似的。
I tried to telephone you but I couldn't get through.
我试着打电话给你，但都没有打通。
Do you have to water it now?
你一定得现在浇吗？