| 例句 |
gratisadjective not costing or charging anythingif you sign up today, you get a 13-inch TV gratis complimentary, costless, free, gratuitous nominalbestowed, donated, givenpro bonodiscretionary, freewill, optional, voluntaryhonorary, uncompensated, unpaid on the house paidcostly, dear, expensive, high in the 15th century |