grafting clay

例句：

1. 1.The farmer grafted the new variety of apple onto the old tree to improve its yield.
   农民将新品种苹果嫁接到老树上以提高产量。
2. 2. The scientist grafted the genetic material from one plant onto another to create a hybrid.
   科学家将一种植物的遗传物质嫁接到另一种植物上以创造杂交种。
3. 3.The gardener grafted the cuttings of the rose onto the rootstock to produce new plants.
   园艺师将玫瑰的插条嫁接到根球上以产生新的植株。