secondary air二次风
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary pinna二级羽片
secondary toxin二期毒素
secondary juice二次榨汁
secondary gluing二次胶合
secondary center二极中心局
secondary firing二级燃烧
secondary growth次生扩大,直径生长,次生加大,次生生长
secondary coelom次生体腔
secondary shocks次冲击
secondary traitsn.次要的特征