secondine内珠被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 cigarette pusher烟支第二推进器Second order derivative二阶导数项Second-class pipe net热交换站Second Advisory Council第二届评议会second-order precision二阶精度second variation formula第二变分公式second-class electrode[化] 第二类电极second-stage cofferdam第二期围堰Second game of the match第二局比赛second maxillary segment下唇节