养料，能供给有机体营养的物质；营养品。比喻有益于事物发生、发展的成分。
n. nourishment ; aliment ; nutriment ; pabulum
在这里，枯叶变成了树木和其他森林生物的养料。
It is where dead leaves turn into food for the trees and other forest life.
土地不断受到人口数量增加所带来的压力，这些增加的人口需要土地提供食物和养料。
Expanding populations are subjecting the land to increasing pressures to provide them with food and fuel.
根是庄稼的一部分，功能是吸收水分和养料。
The roots are the part of the plant that take up water and nutrients.
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