1.
a going back in time or upward in genealogical succession.
家谱系统在时间上的追溯或上溯。
2.
The history of the carrot dates back thousands of years.
胡萝卜的历史可上溯到几千年前。
3.
His ancestors ascend to the 15th century.
他的祖先可上溯到十五世纪。
4.
China's civilization stretches back four thousand years.
中国的文化可以上溯到四千年前。
5.
The family came over in the ark.
这一姓氏可以上溯到方舟时代。
6.
We ascend in the order of time and of development.
我们按时间和发展顺序向上溯。
7.
The custom traces to the time of the Warring States.
这个风俗可上溯到战国时期。
8.
The cathedral dates back to the Middle Ages.
该座教堂建造的时间可上溯至中古世纪。
9.
He traces his descent back to an old Norman family.
他追踪自己的世系上溯至一个古老的诺曼家族.
10.
He trace his descent back to an old norman family
他追踪自己的世系上溯至一个古老的诺曼家族
11.
up a lazy river; lazy white clouds; at a lazy pace.
沿着缓慢的河流上溯；悠闲的白云；以悠闲的步伐。
12.
"Go back five generations," says Yale's Kidd. "You have 32 ancestors.
“上溯五代，”耶鲁大学的凯德说，“你有32个祖先。
13.
We followed up the river as we rode
我们骑马溯江而上。
14.
Trace to the Source of Titles of “Goddess” and “Goddess of Heaven”
“天后”、“天上圣母”称号溯源
15.
ascend to causes, descend to consequences
往上追溯到原因，往下推论至结果。
16.
We traced the river to its source.
我们溯河而上直到它的源头。
17.
venture on a trip up the Amazon
敢于溯亚马逊河而上旅行.
18.
Tracing the Source of Ethics: the Unity Between Noumenon of Metaphysics and the Value of Virtues
“道德”溯源:形上本体与德性价值的统一