secondmentn.暂借；借调secondadj.第二的；次等的；再一个的num.第二n.片刻；秒adv.第二；其次v.支持；赞成；附和；调派Second Commentary with Julianne Moore朱莉安·摩尔的评论second-order climatological station二级气候站second order coherent multiple access二阶相干多路存取second mesiobuccal root canal orifice近颊第二根管second-order cross section equation二阶截面方程second-order boundary value problem二阶边值问题second generation watermarking scheme第2代水印Second harmonic generation microscopy二次谐波显微术second-order aberration coefficient二级像差系数Second-generation cognitive science第二代认知科学