相关单词同义词confirmed, continual, resort, to, 近义词 common, customary, habitual反义词infrequent, uncommon临近词frequently, frequency, frequenta, Frequenti, frequenter, frequentin, frequentit, frequentist, Frequent set, frequentable, frequent use, frequentation相似词frenulum, frenzied, frenzy, frequency, frequent flier, frequently, fresco, fresh, 返回 frequent