secondary PSV次程序状态向量, 辅助程序状态向量secondaryadj.次要的；从属的；中等教育的n.副手；次要位置secondary protonema次生原丝体secondary flow loss二次流损失secondary hospitals二级医院Secondary menopause继发性闭经secondary glue line二次胶层secondary bare area次生裸地, 次生芜原secondary phosphine仲膦secondary frequency第二选用频率secondary iris cell次虹膜细胞secondary suspensor次生胚柄