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adj.高级的；优质的
1、third grade───SanJi；三年级
2、fine grade───二级精度
3、high-grade───高品位；高级的
4、ninth grade───九年级
5、fifth grade───五年级
6、sixth grade───六年级
7、high praise───好评；高度赞扬
8、eighth grade───八年级
9、high brass───优质黄铜；硬黄铜
1、Maotai liquor mellow, with luxury and high-grade package, is a fine wine for a state banquet.───“茅台”酒，酒味醇厚、包装豪华高档，是国宴精晶。
2、Biomass products obtained by the technology is high-grade, high density, easy to transport, easy to store, and easy to use.───利用该技术制得的生物质制品品位高、密度大、易运输、易储存、使用方便。
3、There is plenty of traditional, high-grade geothermal resources that haven't been found yet.───还有大量的未被发现的传统、高等级地热资源。
4、But at the stern of the ship, divers found a trove of gold and silver and high-grade ceramics whose significance is more mysterious.───但是潜水人员在船尾部发现了一个由金、银以及高级陶瓷打造的收藏品，这件收藏品的意义更加神秘。
5、islands have few mineral deposits worth exploiting, except for high-grade phosphate.───岛内除了高磷酸盐，能够开采的资源很少。
6、This article has explored a way that friction spinning machines can be better used for manufacturing high-grade marketable goods .───探索了一条更好地利用摩擦纺纱开发中高档市场适销产品的途径。
7、A high grade is supposed to prove competence in the course, but the answer he gave did not show his knowledge on the subject.───高分应该能证明（他）在这门课上的能力，可他给的答案没有显示他在这个科目上的知识。
8、High-grade stuff, just sitting there.───高品位矿石，静静等候在那儿。
9、He said he was hunting for high-grade copper, bauxite, iron ore and coal resources, the minerals that China needs to fuel its urbanisation.───熊维平表示，他正在物色高品位的铜、铝矾土、铁矿石和煤炭资源，这些都是中国推进其城市化进程所必需的矿产。