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- protecting leaf yellowing 防止黄叶病
- For delaying leaf yellowing, 1-MCP is most effective and then is SVB+LVB. 对延迟叶片黄化程度来说，最有效的为1-MCP，其次为SVB+LVB。
- The cold weather has turned all the leaves yellow. 寒冷的天气已经使所有的树叶都变黄了。
- The citrus root rot disease causes leaf yellow,fallen,growth weak and root rot of citrus plants. 柑桔根腐病症状主要表现为黄叶、落叶、树势衰弱及根系坏死、腐烂。
- Grass and leaves yellow, oh! And wild geese southward fly. 草木黄落兮雁南飞。
- The larva eats the mesophyll tissues and makes the leaves yellow and deciduous. 幼虫孵化后潜入叶表皮取食叶肉组织造成叶枯黄凋落。 虫害在林分的上部发生重于中、下部 ,林缘重于林内。
- Leaves yellow farinose abaxially, denticulate. Corolla 1.5--2 cm in diam. 留下黄被粉背面，具小齿。直径的花冠1.;5-2厘米
- His fall may be very lonely, and he was too strong of character, spending his life too much, he was destined to start in early autumn, when leaves yellow blight. 他的秋天也许是很寂寞的，他过于坚强的性格，耗费他过多的生命，他注定要在初秋开始的时候就叶黄凋萎。
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- Gradual defoliation (lower leaves yellow and fall) ... Overwatering (root damage), underwatering (not enough water to support full foliage), lack of sufficient light, or lack of fertilizer. 逐渐落叶（下端叶子变黄脱落）...浇水过多（伤根），浇水不足（没有足够的水供所有的叶子），缺光，缺肥。
- They netted the fruit trees to protect them from birds. 他们用网覆盖住果树以使其免遭鸟害。
- Gradual defoliation (lower leaves yellow and fall). Overwatering (root damage), underwatering (not enough water to support full foliage), lack of sufficient light, or lack of fertilizer. 逐渐落叶(下端叶子变黄脱落)。浇水过多(伤根),浇水不足(没有足够的水供所有的叶子),缺光,缺肥。
- Initial report on reason of leaf yellow spot of chestnut 栗叶黄斑病病因初报
- A small,thin,usually dry,often appressed plant structure,such as any of the protective leaves that cover a tree bud or the bract that subtends a flower in a sedge spikelet. 鳞苞一种小而薄的，通常是干的紧贴植物结构，如任一种覆盖树苞的保护性叶片或莎草属植物的小穗中包住花朵的苞片
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- How can we protect our computer files? 我们怎样才能保护我们的计算机数据？
- The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
- A small, thin, usually dry, often appressed plant structure, such as any of the protective leaves that cover a tree bud or the bract that subtends a flower in a sedge spikelet. 鳞苞一种小而薄的，通常是干的紧贴植物结构，如任一种覆盖树苞的保护性叶片或莎草属植物的小穗中包住花朵的苞片
- She was engaged in protecting wild birds. 她致力於保护野生鸟类的工作。
- The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
