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
If you fail this test you'll be kicked out of school.
你这次考试要是不过就得离校。
Excuse me I couldn't help you.
对不起我不能帮助你。
Oh, that's Lin Tao.
噢，那是林涛。