Cfel
abbr. Cerenkov free electron laser 切伦科夫自由电子激光器
🗣️ 情景例句
What are you going to do about your appointment
那怎么办
Steele took charge of all arrangements.
斯蒂尔负责一切准备工作。
She stood up and took his arm.
她站起来，拉住他的手臂。