to trace back
01
追溯, 回溯
to identify the origin or source of something by following its history or development
例子
His family can trace back their ancestry to the 17th century.
他的家族可以追溯他们的祖先到17世纪。
Scientists traced back the virus to its original host species.
科学家们将病毒追溯到其原始宿主物种。
