相關(guān)單詞同義詞free, groundless, 近義詞 needless 不需要的, voluntary 自愿的, uncalled-for 不必要的, free 自由的, gratis 免費(fèi)的, costless 不花錢的, complimentary 問候的, unwarranted 無根據(jù)的, wanton 淫亂的, unjustified 不合理的, unnecessary 不必要的, unreasonable 不合理的, superfluous 多余的, toll-free 免電話費(fèi)的, cost-free 免費(fèi)的, for nothing 免費(fèi), free of charge 免費(fèi), on the house 由店家出錢臨近詞gratuity, gratitude, gratuitously, gratuitous act, gratuitous loan, gratuitous gift, gratuitous goods, gratuitous gifts, gratuitous guest, gratuitous nature, gratuitous insult, gratuitous legacy相似詞gratin, grating, gratis, gratitude, gratuity, graupel, gravadlax, grave, 返回 gratuitous