Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
And you promised me a surprise.
而且你答应给我一个惊喜。
Who said that?
谁说的？
Where's my skirt, mother? Do you know?
妈妈，你知道我的衬衫在哪吗？