相关单词近义词 unnecessarily 不必要地, irrelevantly 不恰当地, without cause 无故, unreasonably 不合理地, needlessly 毫无必要地, wantonly 放纵地临近词gratuitous, gratuitous relief, gratuitous promise, gratuitous coinage, gratuitous utility, gratuitous revenue, gratuitous inducer, gratuitous service, gratuitous transfer, gratuitous bailment, gratuitous violence 返回 gratuitously