secondary

复数：secondaries

1. 次要的,次等的 of less importance, value, etc. than what is primary
2. 中级的,第二的 coming after sth that is first or primary

secondary school中等学校

secondary market二级市场；次级市场

secondary pollution二次污染

secondary education中等教育

secondary industry第二产业，次级产业

technical secondary school中专学校

secondary flow二次流

secondary structure二级结构；次生结构

secondary vocational school中等职业学校

secondary air[化]二次风；二次空气

secondary refining二次精炼

secondary forest[林]次生林；再生林

secondary circuit二次电路，次级电路

secondary treatment二级处理；次级处理

secondary voltage二次电压

secondary battery二次电池；蓄电池

secondary processing二次加工

secondary stress次应力；次重音

secondary porosity次生孔隙度

secondary data次级资料；二手数据；二级信息

1. It's a question of secondary importance.
   这是个次要的问题。
2. 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。
3. We should control the secondary pollution.
   我们应该控制二次污染。
4. The disease is usually due to secondary infection.
   这个病是继发性感染引起的。
5. Books written in the present day by historians are secondary sources.
   现今历史学家写的书是间接来源。
6. He works in a secondary school.
   他在一所中学工作。
7. 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。

1. They put the growth of worker salary in secondary.
   他们把工人的薪水增长放在次要位置。