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
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
To ride a bicycle
骑自行车
I'm afraid he's out at the moment. He's at the cinema. Can I take a message?
恐怕他这会儿不在家。他在电影院。我可以给你捎个信儿吗？