highgradeglossary / HIGHGRADE highgrade, vb.1. To steal rich ore, as from a mine by a miner.2. To mine only esp. valuable ore (such as gold). 词条贡献者 译员李明,毕业于英国顶尖的高级翻译学院,专注翻译各种与调查和白领犯罪辩护有关的法律文件。