1.
dates back to 20, 000 years B. C..
可以追溯到公元前20000年。
2.
trace its origin back to the time of
它的来源可追溯到…时代
3.
This custom can reach back Tang Dynasty.
这个风俗可追溯到唐朝。
4.
The story goes back to the middle of the nineteenth century.
故事追溯到19世纪中叶。
5.
The castle dates back to Roman times
该城堡可追溯到罗马时代。
6.
The legend dates back to(the)16th century
这个传说可追溯到16世纪。
7.
Horse racing has been traced to the Olympic Games of about600 BC.
赛马可追溯到公元前600年的奥运会。
8.
This story dates back 200 years.
这个故事要追溯到二百年前。
9.
The new law was made retroactive to 1 January.
新法令生效日期可追溯到1 月1 日.
10.
He has a criminal record stretching back twenty years .
他的犯罪记录可追溯到20年前。
11.
Our feud traces back to our childhood.
我们的夙怨可追溯到孩提时代。
12.
His family can trace its history back to the tenth century.
他的家系一直可以追溯到十世纪。
13.
My family goes back to the 18th century.
我们家族可追溯到十八世纪。
14.
The earliest Mother's Day celebrations can be traced back,
最早的母亲节庆典可追溯到
15.
ascend to causes, descend to consequences
往上追溯到原因，往下推论至结果。
16.
The working relationship between dogs and humans goes back to ancient times.
狗与人的工作关系可追溯到远古时代。
17.
The friendly contacts between the two countries go back to the Tang Dynasty
这两个国家的友好交往可追溯到唐朝。
18.
The use of magnets as aids to navigation can be traced back at least to the eleventh century.
磁铁用于航海，至少可追溯到11世纪。