- secondary
 - ['sekəndəri]
 - adj. 第二的;中等的;次要的;中级的
n. 副手;代理人 
反义词
           - a. primary
 
参考例子
           - 1.Every secondary camouflage, be defeated by sadness.
 - 每次要伪装、一次次被悲伤打败。
 
- 2.One secondary spermatocyte divides and eventually grows into two sperm cells.
 - 一个次级精母细胞分裂并最终产生两个精子。
 
- 3.With the development of new equipment and new technology, traditional secondary circuit will be replaced by which is more scientific and more reliable.
 - 随着新设备、新技术的不断出现,传统的二次接线将逐步被更科学、更可靠的新型接线所代替。
 
英文解释
           - n.
 - 1.the defensive football players who line up behind the linemen
 - 2.coil such that current is induced in it by passing a current through the primary coil
 
- adj.
 - 1.being of second rank or importance or value; not direct or immediate
 - 2.inferior in rank or status
 - 3.depending on or incidental to what is original or primary
 - 4.not of major importance
 - 5.belonging to a lower class or rank
 
网络释义
               - secondary
 - 次要的; 学前/初等/中等/高等教育; 第二的,从属的; 次级;
 
- secondary education
 - 中等教育; 高中教育; 中学教育; 中级教育;
 
- Secondary offering
 - 二级发行; 次级发行; 二次发行; 证券第二次发行;
 
- secondary sources
 - 第二类/次要数据; 第二手资料; 第二来源; 研究简史;
 
- Secondary Data
 - 二手资料; 次级资料; 二手数据; 二级信息;