Rfk
abbr. Anguilla; Mississippi 美国; radio frequency keying 射频键控; radio frequency kit 射频（配套）元件
🗣️ 情景例句
Not just for young people.
不仅仅对年轻人来说是这样。
That's incredible!
简直难以相信！
Don't remind him. It was nothing.
不要向他提起这件事了。那是微不足道的。