n.地面覆盖；复盖
动词mulch的现在分词形式.
To cover or surround with mulch. 覆盖用覆盖层覆盖或包围
A loose mulch acts on the surface as an insulator. 疏松的覆盖物在土壤表面起了隔热的作用。
I used stable muck as a mulch for my roses. 我用厩肥做我玫瑰的护根。
Organic mulch contains nutrients for plants. 有机农地膜含有植被的营养成分。
The best time to add mulch depends on your goal. 最佳的盖农地膜的时机得自己看。
Organic mulch improves the condition of soil. 有机农地膜可以改善土壤环境。
