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 双语律师Matthew,国际知名法学院法律专业,擅长翻译各类与商业秘密起诉与调查相关的法律文件。