in autumn

汉语翻译

例句：

1. The leaves turn brown in autumn.
   秋天树叶变黄。
2. The leaves fall in autumn.
   秋天树叶凋落。
3. The leaves turn yellow in autumn.
   秋天时叶子变黄。
4. In autumn the leaves change from green to brown.
   秋天树叶由绿色变成黄褐色。