secondary bow霓
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary vibration非缓冲质量的振动
secondary receptors[医] 第二级受体
secondary reservoir辅助水库
secondary disasters次生灾害
secondary retinitis继发性视网膜炎
secondary gamma ray次级γ射线
secondary languages副语言
secondary reduction次级还原,二次破碎
secondary explosion二次爆炸
secondary parameter二次参数