secondary eye继发眼, 交感眼
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary service辅助业务
secondary landing助登陆
secondary boycott次级抵制
Secondary-Units二次元件
secondary felling后伐
secondary failure二次故障,二次失效,波及故障,从属失效
secondary acetate次级醋酯纤维,二代乙酸盐
secondary valence副价
secondary paticle次生颗粒
secondary working二次加工