method of soil preparation造句

例句与造句

1. He used a method of soil preparation called deep plowing or deep ripping to loosen the clay subsurface of nearly 1, 000 acres ( 4, 000 hectars ) so that the roots of deep-growing trees and vines could penetrate.
2. It's difficult to find method of soil preparation in a sentence. 用method of soil preparation造句挺难的