trace

美 [treɪs]
英 [treɪs]
  • n.微量;痕迹;轨迹;追踪
  • v.追踪;追溯;查出;描摹
  • 网络跟踪;踪迹;设置包跟踪
复数:traces  现在分词:tracing  过去式:traced  
trace
v.
1.
~ sb/sth (to sth)
查出;找到;发现;追踪to find or discover sb/sth by looking carefully for them/it
We finally traced him to an address in Chicago.
我们终于追查到他在芝加哥的一个地址。
2.
~ sth (back) (to sth)
追溯;追究to find the origin or cause of sth
She could trace her family tree back to the 16th century.
她能把本族家谱追溯到 16 世纪。
The leak was eventually traced to a broken seal.
最后查出泄漏是由于密封处破裂所致。
The police traced the call(= used special electronic equipment to find out who made the telephone call) to her ex-husband's number.
警方用追踪装置查出是她前夫的电话号码打出的电话。
3.
~ sth (from sth) (to sth)
描绘(事物的过程或发展);追述;记述to describe a process or the development of sth
Her book traces the town's history from Saxon times to the present day.
她的书描述的是这个市镇从撒克逊时代到现在的历史。
4.
~ sth (out)
画(线)to draw a line or lines on a surface
She traced a line in the sand.
她在沙地上画了一条线。
5.
~ sth
绘出,勾画出(轮廓)to follow the shape or outline of sth
He traced the route on the map.
他在地图上勾画出了路线。
A tear traced a path down her cheek.
一滴眼泪沿着她的面颊流了下来。
6.
~ sth
(用透明纸覆盖在地图、绘画等上)复制,描摹to copy a map, drawing, etc. by drawing on transparent paper(= tracing paper ) placed over it
n.
1.
[c][u]
痕迹;遗迹;踪迹a mark, an object or a sign that shows that sb/sth existed or was present
It's exciting to discover traces of earlier civilizations.
发现早期文明的遗迹,真令人兴奋。
Police searched the area but found no trace of the escaped prisoners.
警方搜索了那一地区,但未发现越狱逃犯的任何踪迹。
Years of living in England had eliminated all trace of her American accent.
她多年居住在英国,美国口音已荡然无存。
The ship had vanished without (a) trace .
那艘船消失得无影无踪。
2.
[c]
~ of sth
微量;少许a very small amount of sth
The post-mortem revealed traces of poison in his stomach.
验尸发现他胃中有微量毒物。
She spoke without a trace of bitterness.
她说话时一点儿也不伤感。
3.
[c]
描记图;轨迹;迹线;扫描线a line or pattern on paper or a screen that shows information that is found by a machine
The trace showed a normal heart rhythm.
描记图显示心率正常。
4.
[c]
~ on sb/sth
(对信息的)跟踪,追踪a search to find out information about the identity of sb/sth, especially what number a telephone call was made from
The police ran a trace on the call.
警察对那次通话进行了追踪。
5.
[c][usupl]
挽绳;套绳one of the two long pieces of leather that fasten a carriage or cart to the horse that pulls it

例句

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