- The characteristic colour changes which are associated with the senescence of leaves of deciduous trees in autumn.
在秋天落叶树的叶子颜色变化特征，是同衰老相联系的。
- Deciduous plantings, plants whose leaves drop off in winter, generally bear the most fruit, nuts, and seeds for wildlife.
落叶树通常可以提供野生动物需要的常见籽粒和坚果。
