adj.周期性，周期的，循环的

The economy goes through cyclical periods of growth and recession.
经济经历了增长和衰退的周期性阶段。
The fashion industry is known for its cyclical nature, with trends constantly repeating themselves.
时尚产业以其周期性闻名，潮流不断重复。
The agricultural industry experiences cyclical fluctuations due to seasonal changes.
农业产业因季节变化而经历周期性波动。
Cyclical unemployment occurs when there is a downturn in the business cycle.
当经济周期处于衰退期时，就会出现周期性失业。
The moon's phases follow a cyclical pattern, from new to full and back again.
月亮的盈亏遵循从新月到满月再回到新月的周期性模式。
Many species exhibit cyclical migrations, following food sources or seasonal climates.
许多物种展现出周期性迁徙，跟随食物来源或季节性气候变迁。
The study of history often reveals cyclical patterns of rise and fall of civilizations.
历史研究常揭示文明兴衰的周期性模式。
Cyclical stock prices tend to fluctuate with the overall state of the economy.
周期性股票价格往往随着经济的整体状况而波动。
The Earth's climate has undergone cyclical changes throughout its geological history.
地球的气候在其地质历史中经历了周期性变化。
In fitness training, cyclical workouts combine periods of high intensity with recovery periods.
在健身训练中，周期性锻炼结合了高强度期与恢复期。