peter out片语动词KK [ˋpitɚ aʊt] /ˈpitɚ aʊt/发音片语动词1逐渐减弱、渐渐停止、慢慢消失The conversation petered out after a few awkward minutes.几分钟的尴尬之后,谈话渐渐停了下来。2耗尽、用完Funding for the research project petered out last spring.这个研究计划的经费在去年春天用完了。3渐渐消失、中断指道路、河流等The trail peters out about two kilometers past the river.小径在过河约两公里后就渐渐消失了。用这个字练口说→