1. 昼夜节律：谈到了两种节律,昼夜节律(circadian)和以年为周期的节律(circannian),主要是前者. 动物活动都有严格的节律性. 节律的确定与生存关系紧密. 比如rodent类容易被捕食,所以选择昼伏夜出(nocturnal),不担心被捕猎的动物则昼出夜伏(diurnal).
2. 生理节奏的：circa 大约大约 | circadian 生理节奏的 | circinate 漩涡状的
3. 近日节律：血压昼夜节律变化:circadian rhythm of blood pressure | 近日节律:circadian | 昼夜节律:circadian
4. 生物钟节奏：气韵:rhythm | 生物钟节奏:circadian | 昼夜节律:circadian rhythms
1. Like other body rhythms, sleep cycles are controlled by a circadian clock.
2. Circadian rhythms are the physiological processes that rally the body in the morning to tackle the day's demands and slow it down at night.
3. That daytime decline was subtle, and the people's circadian rhythms provided a bit of rescue.
adj
1. of or relating to biological processes occurring at 24-hour intervals
e.g. circadian rhythms