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- Moreover, some effective measures for decreasing the occurrence of pest and disease on street afforestation trees are put forward in terms of the improvement of soil properties. 从改善街路土壤性质入手，提出了相应的减少街路绿化树木病虫害发生的有效措施。
- To afforest trees and to build terraced fields are also essential for controlling soil erosion. 坚持植树造林，修筑梯田控制水土流失。
- Machilus pauhoil is a good evergreen broad-leave tree species with wide uses.It has a high ornamental value so that it is also a garden afforestation tree species. 刨花楠是一具有广泛用途的优良常绿阔叶树种,也是一种园林绿化树种,观赏价值很高。
- Result shows that the main reason for serious occurrence of pest and disease on street afforestation trees is the deteriorating of the physic-chemical and biological properties of soil. 结果表明：土壤物理、化学、生物学性质的恶化是长春市街路树木病虫害严重发生的主要原因。
- Using the theory of SPAC and the method of control experiment, the biology and growth behavor of young trees of the main afforestation tree species under different water conditons were studied. 基于水分因子是反映黄土高原不同造林立地类型宜林性，以及影响林木生长的主导环境因子这一观点，运用SPAC理论，通过控制试验，研究主要造林树种幼树在不同水分梯度下的生理及外观反应。
- Be going to treasure flowers and plants trees , not to destroy urban afforestation , participate in and the activity afforesting tree planting actively. 要爱护花草树木，不破坏城市绿化，并且积极参加绿化植树活动。
- introducing afforestation tree species 引种树种
- urban afforestation tree species 城市绿化树种
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The results contributed to the vertical placement of afforesting trees and the applying of the afforesting practice. 这对造林树种的垂直布局和造林抚育措施的实施有一定的指导意义。
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- 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。
- There are no trees or bushes to give shade. 没有树木或灌木丛可以遮荫。
- Elephants strip the leaves from trees. 大象剥去了树上的叶子。
- The overripe apples dropped down from the trees. 过熟的苹果从树上掉了下来。
- The trees outside the window blocked off the sun. 窗外的树木挡住了阳光。
- The line of flags was slung up between two trees. 一排旗帜悬挂在两棵树之间。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Sloths live in trees and move very slowly. 树獭生活在树上而且行动缓慢。
