constancyKK [ˋkɑnstənsi] /ˈkɑnstənsi/发音名词1恒常、不变、稳定正式The constancy of the temperature in the cave surprised the researchers.洞穴内温度的恒常不变让研究人员感到讶异。2坚贞、忠诚、忠贞正式She valued his constancy more than any grand romantic gesture.比起任何浪漫的举动,她更看重他的忠诚。3坚定、不屈正式His constancy of purpose carried the team through three hard years.他坚定不移的目标意识带领团队度过三年的艰困时期。用这个字练口说→