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 oblique position第二斜位second-hand machinery旧机器Second Battle of Manila第二次马尼拉之战(1898)second order difference二阶差分second-operation work二道操作second-order kinetics二级动力学second health condition亚健康second bill of exchange[经] 第二联汇票second-order sequence二级层序second fundamentel form第二基本形式