Rfa
abbr. request for applications 应用要求; radio frequency authorization 无线电频率授权; radio frequency attenuator 无线电频率衰减器; request further airways 要求更远的航线
🗣️ 情景例句
This is my mother.
这是我母亲。
Wash your mouth out with soap!
嘴巴放干净一点！
Our policy is not to grant exclusivity.
我们的方针是不授与专卖权。