trace sth.back to 回忆;追溯到
The history of Great Wall can be traced back to the XX century.
长城的历史可以追溯到XX世纪(现造的,我也忘了多少世纪了、、、)
His father claims to be able totrace the family backto many centuries ago.
他父亲声称能把家世追溯到许多世纪之前.
trace sth.back to 回忆;追溯到
The history of Great Wall can be traced back to the XX century.
长城的历史可以追溯到XX世纪(现造的,我也忘了多少世纪了、、、)
His father claims to be able totrace the family backto many centuries ago.
他父亲声称能把家世追溯到许多世纪之前.