相关单词同义词fundamental, basic principle, 近义词 challenge 挑战, demand 要求, requirement 必要条件, stipulation 规定, petition 请愿书, proposition 提议, proviso 附带条件, last word 最后一句话临近词ultra, ultimately, ultimatums, Ultimatum Game, Ultimatums were made., Ultimatums were made?相似词Ulster, ulterior, ultimate, ultimately, ultra, ultra-runner, ultra-running, ultracrepidarian, 返回 ultimatum