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 he weren't so famous, he wouldn't treat others like that.
如果他不是这么有名，他也不会那样对待别人。
We never know the worth (or value) of water till the well is dry.
井枯方知水可贵。
This greatly reduced the speed of the ship,
这样一来，大大降低了船的航速。