S 开头单词
secondhand shop [經濟學]寄賣商店
secondhand evidence [法學]第二手証據
secondhand adj. 二手的；舊的；間接獲得的；做舊貨生意的 adv. 間接地；間接聽來；以舊貨
secondguess 事後批評
secondgrade 二評
seconder n. 附議者；後援者；贊成人
secondee n.借調員工
seconded adj.附議的；贊成的動詞second的過去式和過去分詞形式.
seconde n.劍術第二種姿勢；(法語)秒
seconddrawer 次等的,第二流的
secondary-electron multiplication [化學]次級電子倍增
secondary-electron counter [化學]次級電子計數器
secondary xylem [辳業科學]次生木質部[生物學]次生木質部次生木質（層）部
secondary winding [電] 二次繞組；複卷繞組
secondary voltage [電] 二次電壓
secondary vocational school students [心理學]中職生[琯理學]中職生
secondary vocational school 中等職業學校
secondary vocational education [計算機科學技術]中職