trace back transitive verb [trace sth back, trace back sth] 追溯 zhuīsù ‹history›; 追踪 zhuīzōng ‹tracks›▸ to trace footprints/a trail back to sth; 追踪脚印/踪迹到某处 ▸ the root of the problem was traced back to … 最后查出问题的根源是… ▸ how far back can you trace your ancestors? 你可以追溯自己的祖先到多远？ |