h071232003
周期的 [词典] periodic; [例句]这些数据显示了目前经济周期的最低点。The figures marked the final low point of the present economic cycle
快乐之光
cyclecy.cleAHD:[sº“k…l] D.J.[6sa!k*l]K.K.[6sa!k*l]n.（名词）An interval of time during which a characteristic, often regularly repeated event or sequence of events occurs:周期，循环期：一段时间间隔，在这段时间里通常是有规律重复的事件或者其后果会出现：
优质英语培训问答知识库
