rockpicker

词形变化

rockpickers 复数 rockpickers

释义与例句

n.
  1. 1.

    A farmer or laborer reducing the stoniness of farm fields by picking out the rocks. A role played periodically, not a vocation.

    植物学 商务
  2. 2.

    A person, machine, or machine component that cleans out the rocks during ore dressing.

    商务 采矿

词源

From rock + pick + -er.

来源:wiktionary