secondary end次级端secondaryadj.次要的；从属的；中等教育的n.副手；次要位置Secondary hyperplasia继发性增生secondary inoculation再接种secondary environment次环境,次生环境secondary develooment二次开发secondary personality第二人格secondary elaboration[医] 次意匠作用secondary constraints次要约束secondary directional二次定向secondary composition二次合成secondary option menu二级选择表