基本解释循坏小数同根派生 circulating decimal相关词词组短语短语period of circulating decimal 小数的循环节pure circulating decimal [数]纯循环小数period of a circulating decimal 小数的循环节circulating decimal更多词组英英字典柯林斯英英字典 &rarranother name for recurring decimal circulating decimal剑桥字典circulating decimal柯林斯字典专业释义数学循环小数