秋天的英语单词是autumn。复数形式: autumns。
例:
This autumn, 6000 residents will participate in the first phase of the project.
今年秋天,将有6000名居民参加该项目的第一阶段。
We plan to release a prototype this autumn for trial in hospitals.
我们计划今年秋天在各医院推出一个模型进行试验。
As autumn approached, the plants and colours in the garden changed.
秋天临近,花园中的草木和颜色也发生了变化。
He published his autobiography last autumn.
他去年秋天出版了自己的自传。