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 thoughts on metabolic syndrome代谢综合征的再认识second-hand type quartz music clock指针式石英音乐钟Second Secretary - Trade Investment二等秘书-贸易投资Second-order directional derivative二阶方向导数second-derivative spectrophotometry二阶导数分光光度法Second classstandard of accommodation(住宿等的级别的)二等second-order potential coefficients二阶位系数second by second operational analysis瞬间操作分析second harmonic motivating efficiency二次谐波激发效率second-division segregation pattern第二次分裂分离模式