相关单词同义词freely, cost, free, free, franco, 近义词 free 自由的, free of charge 免费, complimentary 问候的, gratuitous 无缘无故的, costless 不花钱的, without charge 不计价, 免费..., on the house 由店家出钱, cost-free 免费的, toll-free 免电话费的, for nothing 免费, for free 免费临近词gratitude, gratify, Gratisti, gratisin, gratis dish, gratis copy, gratis item, gratis services, gratis personnel, Gratis blood donors, Gratis blood donation, GRATIS and Simulator Production System相似词gratify, gratifying, gratin, grating, gratitude, gratuitous, gratuity, graupel, 返回 gratis