Weight losses of deciduousleaves were larger than those of evergreen leaves during two years.
两年间落叶树种叶子的重量损失大于常绿树种。
2
Under foot the leaves were dry, and the foliage of some holly bushes which grew among the deciduous trees was dense enough to keep off draughts.
脚下的树叶已经干枯了，在这块落叶林中间，长着一些冬青灌木，它们稠密的树叶足可以挡风。
3
You've probably heard that leaves of deciduous trees change color in autumn because they lose their green chlorophyll molecules, allowing the underlying yellow-orange pigments to shine through.