a form of 一種…的形式a fork in the road 分岔路口a forever friend 永遠的朋友a foreign trade deficit [經(jīng)濟學]外貿(mào)逆差a foreign tax payment receipt [經(jīng)濟學]外國納稅憑證a foregone conclusion 預料中的結局a fop 翩翩少年a fool's paradise 黃梁美夢a fool's errand 徒勞的任務a folk tale a foggy day a flying start 良好的開端 （賽跑的）快速起跑a flute-like ancient instrument 琯a flourish of trumpets 大肆宣揚a flock of sheep 一群羊a flock of seagulls a flock of 一群（鳥，羊等）a flight of stairs 一段樓梯a flight attendant 一名機組乘務員 一個空中服務員a flexible diaphragm coupling [機械工程]彈性膜片聯(lián)軸器