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
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
Insurance, whether it can add a trace of the heart did not fortified protection and less accidents? I'm afraid, the final legacy, only pain.
保险，是否可以为不曾设防的心添一丝保护，少一份意外？只怕，最终的遗产，只有伤痛。
The result was a system where the source code did not contain any trace of a backdoor.
结果得到一个源代码中不包含任何后门痕迹的系统。
What is sad, we do not understand, his face wearing a trace of laughter is often a collection of bits of joy.
悲伤是什么，我们是不懂的，脸上挂着的常是欢笑的痕迹，收藏的是欢乐的点滴。
If you were not using aspects, these methods would be in a helper class that you would use for outputting trace information.
如果我们没有使用方面，这些程序将在一个帮助者类中，你可以用它来输出跟踪信息。
The absence of this number makes it impossible for the police to trace either the caller or the phone or to access call details.
据悉，没有国际移动设备识别码的手机使警方无法追溯到通话者和手机的信息，也无法查出通话细节。
What I said was "shang su" , meaning to trace back in time.
我说的上溯，意思是从现在的时间推算到以前。
When tracing that includes the Transaction=all trace string is enabled, it is possible to determine the cause of a transaction timeout.
当启用了包括Transaction=all跟踪字符串的跟踪时，就可以确定事务超时的原因了。
say this, yet it never seemed boastful or regretful to me but like a simple fact that left no trace at all in her life.
从那时起，我经常听到她那样说，但是我觉得似乎没有任何夸耀和遗憾在里面，这只是一个简单的事实，在她的生活中根本无足轻重。
Trace filters allow the individual trace listeners to determine whether or not the trace is to be written to the associated output medium.
跟踪筛选器允许各个跟踪侦听器确定是否要将跟踪写入关联的输出介质。
While it's easy to blame your parents for your thin hair or balding scalp, not all causes of hair loss trace back to genetics.
我们常常把头发稀少或者秃顶怪罪于我们的父母，但其实脱发的原因并不完全是遗传的。
This procedure sums up the collected trace and lists how often a given stored procedure was called and how much time passed for all calls.
该过程总结收集到的跟踪，并列出调用给定存储过程的频率，以及所有调用总共花费的时间。
Just as you cannot trace your family tree back very far, so is it impossible for me to name and explain all my antecedents.
你不能把你的家族追溯到很遥远的时代，同样，我也不大可能叫得出我的所有前身的名字，并对其作出解释。
Finally, I changed the formatting of the trace output to make it a little more readable.
最后，我改变了跟踪输出的格式以使它更具可读性。
But if you stop and trace out a way for another to follow, or a design for your own way of life, it will never come near you.
但是如果你停下来，并踩出一条别人可以追随的路，或者设计出你自己的一种生活方式，那么它就永远不会走近你。
Don't think you are noble, since you and I have neuropathy disappeared was not the least trace was found.
没想到你是贵人，自从有了你我的神经病就消失的无影无踪了。
Today when I woke up, it was like nothing ever happened. There was no trace of the typhoon.
今天起来，风平浪静，就好像昨天什么都没有发生，没有一点台风的痕迹。
I had once taken to a woman who had a trace of down on her upper lip.
曾经有一次，我爱上一个上唇微微有些绒毛的女人。
This is not usually specified for a switch card, but the limitation is usually a function of the trace width and connector ratings .
虽然开关卡的技术指标并不明确显示，但是电流限值通常是走线宽度和连接器额定值的函数。
please give them a trace of wax with a light of hope to illuminate that have lost the luster of the heart!
请给他们一丝带着希望的蜡光，去照亮那已经失去光彩的心房！
The trace of life might be buried by the time of sand, but the blooming vitality would not be concealed.
刀耕火种的记载或许被沙石掩埋，却藏不住蓬勃的生机。
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