in autumn

例句：

1. 1. We will have a picnic inthe park on Sundays during autumn.
   我们将在周日的公园里野餐，享受秋天的美景。
2. 2. The autumn leaves are changingcolors, making the scenery beautiful.
   秋天的树叶正在变色，景色美丽如画。
3. 3. Sheenjoys reading books during autumn, as it's a quiet time for her.
   她喜欢在秋天阅读书籍，因为那是她安静的时光。