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-trimester secrum triple test血清学筛选Second-order perturbation theory.二阶微扰理论second generation nuclear power plant第二代核电厂second set transplantation phenomenon二次移植现象second order Hopfield neural networks生命科学Second generation antihistamine drugs第2代抗组胺药second-generation anaerobic digester第二代厌氧消解器second - order nonlinear chromophore二阶非线性生色团second generation of environmental law第二代环境法second most common abnormal hemoglobin血红蛋白C:是第二位最常见的异常血红蛋白