1. 我认为秋天是一年中最美的季节。

I think autumn is the most beautiful season in a year.

2. 秋天时叶子变黄。

The leaves turn yellow in autumn.

3. 在秋天的晚上，我感到一丝凉意。

I feel a little cool in the autumnal night.

4. 秋天里树木都是光秃秃的。

The trees were naked during autumn.

5. 今天的天气已露出了一丝秋天的气息。

There is a breath of autumn in the air today.

6. 九月的天气确实像秋天了。

The weather in September was positively¹ autumnal.

7. 我喜欢收集秋天赤褐色的叶子。

I like to collect russet autumn leaves.

8. 我们欣赏着秋天里新英格兰树林的瑰丽色彩。

We are enjoying the resplendent colors of the New England woods in the autumn.