您要查找的是不是:
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- mulch layer 土壤覆盖机,覆盖物铺放机
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- To cover or surround with mulch. 覆盖用覆盖层覆盖或包围
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- 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。
- A layer, as of doubled-over cloth or of paperboard. 一层一层,如折叠过的布料或纸板的
- Organic mulch contains nutrients for plants. 有机农地膜含有植被的营养成分。
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- The best time to add mulch depends on your goal. 最佳的盖农地膜的时机得自己看。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Organic mulch improves the condition of soil. 有机农地膜可以改善土壤环境。
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物,如鱼鳞
- A better technique is to use mulch. 一个更好的方法是使用覆盖物。
- This creates mulch on the soil surface. 这可以在土地表面形成覆盖物。
- Agriculture report: Don't Know Much About Mulch? 农业报道:你知道土壤覆盖层么?