trace
trace
英[treɪs]美[treɪs]
v.跟踪，追踪，追溯，探索，查出，描绘，勾勒；
n.痕迹，踪迹，微量，极少量，描记图，轨迹；
复数：traces;
第三人称单数：traces;
过去式：traced;
过去分词：traced;
现在分词：tracing;
例句
We have lost all trace of him.我们找不到他的踪迹。
They could not trace him.他们找不到他。
He wanted to trace roughly.他想草草地勾画。
All trace of his working-class background was deliberately obscured.他工人阶级出身的所有痕迹都给有意地隐藏起来了。
There was not a trace of cynicism in his voice.他的语气里没有一丝挖苦。
How far back can you trace your family tree?你的家谱可以追溯到多少代？
Trace element mixes serve as insurances.微量元素只是作为一种保障措施.
His behavior extinguishes the last trace of affection she has for him.他的这种行为使她对他的*后一丝爱慕之情荡然无存.
They failed to find any trace of the runaways.他们未能找到逃跑者的任何踪迹.
He can find no trace of a rule requiring research to be vetted before publication.他找不到任何要求研究成果在发表前需经审查的规定。
英语六级真题
Many contemporary ideas about kitchen design can be traced back to another American, Christine Frederick, who set about enhancing the efficiency of the housewife.
出自-2016年6月阅读原文Whereas language probably traces back at least 80.
出自-2014年6月阅读原文The origins, though not the cause of Ebola-Sudan, can be traced back to a single individual in a Sudanese town.
出自-2013年6月听力原文A group of researchers reveal scores of studies that trace the relationship between health and interaction with others.
出自-2010年6月听力原文That presumably included much more water than the tiny trace we find blowing in the thick air today.
2019年6月六级真题（第二套）听力 Section CWhile it may be impossible to prevent kids from drinking tap water that may contain trace amounts of chemicals, keeping kids away from lawns recently sprayed with chemicals and freshly dry-cleaned clothes can't hurt.
2015年12月六级真题（第一套）阅读 Section A柯林斯高阶英汉双解学习词典释义
VERB
追溯;查考;探索
If you trace the origin or development of something, you find out or describe how it started or developed.
例句
The exhibition traces the history of graphic design in America from the 19th century to the present...展览追溯了美国从19世纪至今的平面设计历史。I first went there to trace my roots, visiting my mum's home island of Jamaica…我*初到那里是为了寻根，探访我妈妈的故乡牙买加岛。VERB
查出;探出;找到
If you trace someone or something, you find them after looking for them.
例句
Police are anxious to trace two men seen leaving the house just before 8am...早上将近8点时有人看到两名男子离开那所房子，警方急于找到他们。We are currently trying to trace the whereabouts of certain sums of money…我们目前正试图找到某些钱款的下落。VERB
(用手指或脚尖等在表面上)勾画…的轮廓，描绘，勾勒
If you trace something such as a pattern or a shape, for example with your finger or toe, you mark its outline on a surface.
例句
I traced the course of the river on the map.我在地图上勾勒出这条河的流向。VERB
(把透明纸覆盖在底样上)映描，描摹
If you trace a picture, you copy it by covering it with a piece of transparent paper and drawing over the lines underneath.
例句
She learned to draw by tracing pictures out of old storybooks.她通过描摹旧故事书上的图画学会了画画。N-COUNT
少许;微量
A trace of something is a very small amount of it.
例句
Wash them in cold water to remove all traces of sand...用冷水冲洗它们以清除所有的沙子。He took great pains to write on his subject without a trace of sensationalism.他尽力不带一丝哗众取宠的色彩来写作他的题材。N-COUNT
痕迹;遗迹;踪迹;足迹
A trace is a sign which shows you that someone or something has been in a place.
例句
The local church has traces of fifteenth-century frescoes…当地教堂仍留有 15 世纪壁画的遗迹。There's been no trace of my aunt and uncle...没有我姑姑、姑夫的踪迹。PHRASE
销声匿迹;迅速沉寂
If you say that someone or something sinks without trace or sinks without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
例句
The Social Democratic Party has sunk without trace at these elections...社会民主*在这些选举中已销声匿迹。Pop groups are like Olympic swimmers — they hit gold once, then they sink without trace.流行乐队就像奥林匹克游泳选手——拿到一次金牌后就无声无息了。英汉词典释义
vt.
跟踪，追踪
He knew they were tracing him.他知道他们正在追踪他。发现; 找到
They could not trace him.他们找不到他。描绘；标出；画出…的轮廓；画曲线；描绘；草拟
He traced our route on the map.他在地图上标出我们走的路线。缓慢而困难地书写
He traced the words with a shaking hand.他用颤抖的手写下那些字。追溯；探索
The book traces the history of social development.这本书追溯了社会发展史。摹写；透写；映描
She has traced the touring map onto a sheet of paper.她已经把旅游图映描在一张纸上。vt. & vi.
n.
踪迹; 痕迹; 形迹
We have lost all trace of him.我们找不到他的踪迹。极微的量
There are traces of poison in the fish.这种鱼体内有微量的*素。记录器的图录
描记线
【电子学】示踪；轨迹；脉迹
【数学】迹；【几何学】交点；交线
【气象学】微量雨
【计算机】跟踪
挽绳；缰绳
【机械工程】连动杆
【植物学】(脉)迹
vi.
回溯；追溯
The friendly relationship between the two countries traces back to the last century.两国间的友好关系追溯到上个世纪。沿着路(或路线)走
英英词典释义
Noun
1. a just detectable amount;
"he speaks French with a trace of an accent"2. an indication that something has been present;
"there wasn't a trace of evidence for the claim""a tincture of condescension"3. a suggestion of some quality;
"there was a touch of sarcasm in his tone""he detected a ghost of a smile on her face"4. drawing created by tracing
5. either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree
6. a visible mark (as a footprint) left by the passage of person or animal or vehicle
Verb
1. follow, discover, or ascertain the course of development of something;
"We must follow closely the economic development is Cuba""trace the student's progress"2. make a mark or lines on a surface;
"draw a line""trace the outline of a figure in the sand"3. to go back over again;
"we retraced the route we took last summer""trace your path"4. pursue or chase relentlessly;
"The hunters traced the deer into the woods""the detectives hounded the suspect until they found the him"5. discover traces of;
"She traced the circumstances of her birth"6. make one's course or travel along a path; travel or pass over, around, or along;
"The children traced along the edge of the drak forest""The women traced the pasture"7. copy by following the lines of the original drawing on a transparent sheet placed upon it; make a tracing of;
"trace a design""trace a pattern"8. read with difficulty;
"Can you decipher this letter?""The archeologist traced the hieroglyphs"行业词典
体育： 缰绳；搀绳；冰刀线痕；
数学： 迹，又称：迹(spur )；
法律： 追查；
物理学： 迹，指矩阵或算符的迹。；
