Rfk
abbr. Anguilla; Mississippi 美國; radio frequency keying 射頻鍵控; radio frequency kit 射頻（配套）元件
??? 情景例句
You seem to have some reservations.
看起來你還有些猶豫。
He's a composer of popular songs.I like his music a lot.
他是流行歌曲作曲家，我很喜歡他的音樂。
How far is it?
有多遠？