他们出售自己动手做镶嵌画所需材料和现成的镶板。They sell materials for DIY mosaics and ready-made panels.现成的床罩定价200英镑起。The ready-made bedcovers cost from £200.在中国杂货店里你可以买到现成的。You can buy it ready-made at Chinese groceries....
因为在风和水的作用下,犁耕会导致土壤流失.Plowing can cause soil to be away by wind and water.第三个方法是最理想的, 将犁耕与栽种配合一起.Ideally , the third approach works best together with ploughing and planting.水田犁壁田间作业时由于土壤对犁壁的粘附,导致犁耕阻力增加,降低生产效率.Adhesive fo...