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CET-4 CET-6 考研 TOEFL IELTS BNC: 2868 COCA: 3020
trace verb | noun
 1 
trace / tres ; treIs /verb T
1. FIND SB / STH 发现某人/某物, to find someone or something that has disappeared by searching for them carefully仔细找寻:
•She had given up all hope of tracing her missing daughter.她已经放弃了寻找失踪女儿的所有希望。
•Police are trying to trace a young woman who was seen near the accident.警方在设法寻找目击者称在事故现场附近出现过的一名年轻女子。
2. ORIGINS 来源, to find the origins of when something began or where it came from追溯; 追查:
trace sth (back) to sth
•They've traced their ancestry to Scotland.他们将自己的世系追溯到了苏格兰。
•The style of these paintings can be traced back to early medieval influences.这些绘画的风格可以追溯到中世纪早期的影响。
3. HISTORY / DEVELOPMENT 历史/发展, to study or describe the history, development, or progress of something研究…的历史; 探索…的发展; 追寻…的轨迹:
•Sondheim's book traces the changing nature of the relationship between men and women.桑德海姆的这本书探索男女之间关系的变化。
4. COPY 誊写, to copy a drawing, map etc by putting a piece of transparent paper over it and then drawing the lines you can see through the paper〔用透明纸在图上〕描摹，描绘
5. WITH YOUR FINGER 用手指, to draw real or imaginary lines on the surface of something, usually with your finger or toe〔通常用手指或脚趾在物体表面〕画〔线〕， 留下〔印迹〕:
trace sth on / in / across
•Rosie's fingers traced a delicate pattern in the sand.罗茜用手指在沙地上画出一幅精美的图案。
6. trace a call to find out where a telephone call is coming from by using special electronic equipment〔利用特殊的电子设备〕追踪电话:
•His call was traced and half an hour later police arrested him.他的电话被追踪，半小时后警方就逮捕了他。
—traceable adj.
 2 
tracenoun
1. SIGN OF STH 某事物的迹象, C,Ua small sign that shows that someone or something was present or existed踪迹，痕迹，迹象:
•There was no trace of anyone having entered the room since then.没有任何迹象表明有人在那以后进入过这房间。
•Petra's lost all trace of her German accent.彼得拉已完全没有德国口音。
•Officers were unable to find any trace of drugs.警察未能找到毒品存在的任何迹象。
disappear / vanish / sink without (a) trace ( = disappear completely, without leaving any sign of what happened )消失/隐没/沉没得无影无踪
•The plane vanished without a trace.飞机消失得无影无踪。
2. SMALL AMOUNT 小量, Ca very small amount of a quality, emotion, substance etc that is difficult to see or notice微量，少许:
[+ of ]
•I saw the faintest trace of a smile cross Sandra's face.我看到桑德拉的脸上闪过一丝微笑。
•traces of poison微量毒物
3. TELEPHONE 电话, Ctechnicala search to find out where a telephone call came from, using special electronic equipment〔利用特殊电子设备对电话的〕追查，追踪:
•The police put a trace on the call.警方对电话进行了追踪。
4. INFORMATION RECORDED 记录的信息, Ctechnicalthe mark or pattern made on a SCREEN or on paper by a machine that is recording an electrical signal〔记录电信号的机器在屏幕或纸上作的〕描记线:
•This trace shows the heartbeat.这条描记线显示了心脏跳动的情况。
5. CART / CARRIAGE 大车/马车, Cone of the two pieces of leather, rope etc by which a CART or carriage is fastened to an animal pulling it〔大车或马车上的〕挽绳
⇒kick over the traces at KICK¹ (19)

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