rack earth

例句：

1. 1.They were busy digging up the old foundations for the new construction.
   他们忙于挖掘旧地基以进行新建筑。
2. 2. The farmer had to dig earth to make room for his new garden.
   农民不得不挖土来为他的花园腾出空间。
3. 3. The engineer was asked to dig earth and level the site for the new road.
   工程师被要求挖掘土壤并平整现场，以便建造新的道路。