1. the natural separation and dropping of the leaf at the end of the growing season and over a short period in deciduous plants or intermittently throughout the year in coniferous trees — compare abscission
2. fallen leaves on the forest floor
leaf fall 片语
片语
falling leaf in the fall在秋天的落叶
Maple Leaf fall枫叶落下
early leaf fall早期落叶
leaf fall of apple tree苹果叶片脱落
Corynespora Leaf Fall Disease霉落叶病
Fall Leaf(桌上的)活动翻板
defoliate落叶
shed leaves落叶
secondary leaf fall第二次落叶
Leaf Fall Period落叶期
fragile as leaf in fall方小同
leaf fall 例句
英汉例句
In plants, leaf fall and flowering are common responses to seasonal changes in day length.