短语词组短語Fret Noise 琴品噪音;急促的噪聲blind fret 盲紡fret lead 嵌彩色玻璃的窗鉛條骨架;煩躁fret about 爲……懊惱;爲……煩惱fret sawjigsaw 線鋸FRET technique FRET 技術fret fret 煩惱sea fret 海霧fret over 爲…著急 返回 fret