adj. 高级的，优质的，上等的(high-grade steel 优质钢)。 High ground (辩论、冲突、竞选等中所处的)有利地位，上风(take the high ground抓住有利的机会)。
Example Sentences:
1.
In some high-grade ores, phenocrysts adhere intimately to the pseudomorphs . 在有些高级矿石内，斑晶紧连着假晶。
2.
In some high-grade disseminated ores, sulfides are also encountered as bands, reniform masses, and coatings associated with colloform textures . 有些高品级浸染状矿石中，硫化物类也成层带、肾状块，与胶体结构共生。
