secondary dam副坝
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary sun wheel第二太阳齿轮
secondary arseniate二代砷酸盐
secondary picketingn.二级纠察
Secondary frigidity继发性性感缺失
secondary metabolic次级代谢产物
secondary hardening二次硬化,回火硬化
secondary shielding第二屏蔽
Secondary User Unit二级用户单位
secondary dentition恒牙列,恒齿生虫
secondary anal vein次生臀脉