溯

• We ascend in the order of time and of development .
  我们按时间和发展顺序向上溯。
• The hindu civilization dates back to at least 2000 b．c．
  印度文明可远溯到公元前2000年。
• When a precedent is overruled the effect is retrospective .
  先例被宣告无效时，其结果溯及既往。
• Its galleys could have penetrated up the rivers to the heart of russia .
  它的大木船溯河而上可以深入俄罗斯的腹地。
• On the retroactive effect of ancient criminal law in china
  我国古代刑法的溯及力
• Scientific exploration of truth and scientific spirit
  科学的真理溯求与科学精神
• Issues concerning the retroactivity of criminal law
  关于刑法溯及力的若干问题探讨
• To retrace each generation ' s steps , hill by hill
  能根据每个山丘来回溯每个世代的足迹
• In retrospect , master liu was the originator of the arts
  溯其源始，刘氏实肇其绪端。
• New interpretation of criminal law on retreat action
  刑法解释的溯及力新论