您要查找的是不是：
- A secondary mine passageway between two main shafts or tunnels. 次要矿山甬道矿井中连接两条大隧道的小巷道
- He went heels over head into buying mining stock. 他购买了矿业股票，做事真鲁莽。
- Her age is of secondary interest. 她的年龄不太重要。
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
- This area depends on the mining industry. 这个地区以采矿业为经济基础。
- He tried gold mining, pearling and fur trapping. 他尝试过淘金，采珍珠和猎兽皮。
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- He was trained there as a mining engineer. 他在那里被培养成一名采矿工程师。
- The broker claimed that mining shares had moved up to a new level. 经纪人声称，矿业股票的行市已上升到新的水平。
- The government introduced universal secondary education years ago. 几年前，政府就倡导普及中等教育。
- Our aim is that all children complete secondary education. 我们的宗旨是让所有孩子完成中等教育。
- Earth, rocks, or clay excavated in mining. 废石在采矿过程中挖掘的土、岩石或粘土
- Many older people still believe that women's careers are secondary. 许多年岁大一点的人仍然认为妇女的职业生涯并不那么重要。
- All other considerations are secondary to his safety. 现在首先要考虑的是他的安全，其他事都是次要的。
- In secondary school, students get more advanced knowledge. 在中学里，学生获得更深一些的知识。
- More than60 pits in old mining areas are being extended. 老矿区的六十多个矿井正在扩建。
- At last, their company obtained the mining concession. 他们的公司最终获得了采矿权。
- Data mining is to extract knowledge from information. 资料开采是从各种资讯中获得知识。
- A secondary nitramide is then formed. 其结果生成仲硝酰胺。
- Anothar name for secondary school is high school. 中学又叫高级中学。
