1 [C,U] a mark, an object or a sign that shows that sb/sth existed or happened:
traces of an earlier civilization·The man disappeared/ vanished without trace.
2 [C] a trace (of sth) a very small amount of sth:
Traces of blood were found under her fingernails.
trace²
/treɪs ||; tres/verb[T]
1trace sb/sth (to sth) to find out where sb/sth is by following marks, signs or other information:
The wanted man was traced to an address in Amsterdam.
2trace sth (back) (to sth) to find out where sth came from or what caused it; to describe the development of sth:
She traced her family tree back to the 16th century.
3 to make a copy of a map, plan, etc by placing a piece of transparent paper (tracing paper)over it and drawing over the lines
trace1/tres; treIs/v [T] 1 to find someone or something that has disappeared by searching for them carefully 仔细找寻: Police are trying to trace her husband. 警方在设法寻找她丈夫。2 to find out where and when something began or how something has developed 追溯﹔探索…的发展: trace sth (back) to sth He traced his family history back to the 17th century. 他把家族史追溯到 17 世纪。The book traces the development of trade. 此书探索了贸易的发展史。 3 to copy something by putting thin paper over it and drawing the lines that you can see through the paper〔用透明纸张覆在某物上〕描摹﹐描绘
trace2n 1 [C,U] a small sign that shows that someone or something has been in a place 踪迹﹐痕迹﹐迹象: +of We found no trace of them on the island. 我们在岛上没有发现他们的踪迹。disappear/vanish without (a) trace (=disappear completely) 消失/隐没得无影无踪 The plane vanished without a trace. 飞机消失得无影无踪。 2 [C] a very small amount of something, which is difficult to notice 微量﹐少许: +of Traces of the drug were found in his body. 在他的尸体内发现了微量的这种药物。
tracetracetraces2nouna mark or sign that shows that a person or thing has been in a place: The police could not find any trace of the missing child.tracetracetracestracedtracing1verb (traces, tracing, traced)1to look for and find somebody or something: The police traced the gang to a house in Manchester.2to put thin paper over a picture and draw over the lines to make a copy