month for cyclical dominance curve

例句：

1. 1. The weather is usually very pleasant in the spring and summer months.
   春天和夏天的天气通常非常宜人。
2. 2. We have a long vacation in July, so we can go on a trip during the summer months.
   我们七月有一个长假期，所以我们可以在夏季月份去旅行。
3. 3. She likes to spend her free time reading books in the winter months.
   她喜欢在冬天的时候花时间阅读书籍。