rockpicking

释义与例句

n.
  1. 1.

    Reducing the stoniness of farm fields by picking out the rocks. A task performed periodically, not a vocation.

    不可数 植物学 商务
  2. 2.

    Cleaning out the rocks during ore dressing. Done by a person, machine, or machine component.

    不可数 商务 采矿

词源

From rock + pick + -ing.

来源：wiktionary