How far back can you trace your family tree?
你的家谱可以追溯到多少代？
Can one trace this same pattern far back in prehistory?
我们能把同样的这种模式追溯到遥远的史前吗？
They can trace their lineage back to the 18th century.
他们的家族可以直接追溯到18世纪。
She could trace her family tree back to the 16th century.
她能把本族家谱追溯到16世纪。
It is also possible to trace back from lower to higher levels of abstractions.
从低层级到高层级的抽象也是可能的。
I could trace my family tree back to roots in Italy.
我可以追溯我的家族起源到意大利。
His family can trace its history back to the 10th century.
他的家世渊源可追溯到10世纪。
You tried to back trace these data?
你有没有试过反向追踪这些数据？
Psychologists trace this feeling back to our childhood.
心理学家把这种感觉追溯到了我们的童年时代。
Through reading, I can trace back to ancient Egypt, the cradle of human civilization.
通过读书，我可以追溯到占代埃及——这个人类文明的摇篮。
He can trace his ancestors back through fourteen generations.
他能追溯他的祖先到第十四代。
他们会知道是我们干的。
The first part is: Trace back to the source — different description in history.
第一部分：溯源——不同的历史描述。
He could trace his lineage back many centuries.
他可以回溯他的家世背景到许多世纪。
They can trace their lineage directly back to the 18th century.
他们的世系可以直接追溯到18世纪。
His 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。
Scientists can also trace makeup back 10,000 years to ancient Egypt.
科学家还可以将化妆追溯到一万年前的古代埃及。
I can not trace my family tree back farther than my great-grand parents.
我无法把我的家谱追溯到我曾祖父母以前。
This is really a sad story. Did they trace back your luggage?
情况真是糟糕。他们找回你的行李了吗？
One can trace such expeditions back to ancient Sumeria, the earliest known Middle Eastern civilization.
这样的探险可以追溯到古苏美尔时期，这是已知的最早的中东文明。
One can trace such expeditions back to ancient Sumeria, the earliest known Middle Eastern civilization.
这样的探险可以追溯到古苏美尔时期，这是已知的最早的中东文明。
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