His fear of dogs traces back to a childhood experience.
他对狗的恐惧可追溯到他在孩提时代的一次经历。
His family traces back to the Norman Conquest.
他的家世可追溯到诺曼人征服英国的时代。
trace sth ⇔ back to sb/sthHis father claims to be able to trace the family back to many centuries ago.
他父亲声称能把家世追溯到许多世纪之前。
I think we can trace the fever back to that long cold swim that she looked against our advice.
我认为她是因为不听我们的劝告而去那次长时间的冷水游泳才发烧的。
The rumour has been traced back to him.
那谣言经追查是他造的。
Even the youngest child can trace over the shapes of the letters with a pencil.
即使小孩子也能用铅笔描出字母。
Will the police be able to trace us to our hiding place?
警察能查出我们的藏身之处吗?
The police have traced him to London.
警方一直追踪他到伦敦。
We traced the river to its source.
我们溯河而上,直到源头。
He traced the steps to the pond.
他沿着台阶,一直走到池塘。
At last the noise was traced to a fault in the pipes.
最后人们发现这响声是因为管道出了毛病而引起的。
These quotations cannot readily be traced to their sources.
这些引语很难马上找到出处。
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