“周期”（时钟的）的英文怎么说？

cycle
cy.cle
AHD:[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：

times

rounds

cycle

cycle

cycle