annual cycle的用法和樣例：
例句
- The half-year cycle of latent heat flux exists in the Xisha area, with the maximum appearing in winter.
西沙海面潛熱通量存在半年周期特征，極大值也是出現在冬半年。 - We are at the close of the cycle of 5,000 years of the present Aryan Kali Yuga or dark age.
我們現在接近于五千年周期的雅利安人卡利年代或黑暗年代的尾升。
