trace

tracetraceD.J.:[treis]K.K.:[tres]vt.1.■追踪; 追溯He knew they were tracing him.他知道他们正在追踪他。2.■发现; 找到They could not trace him.他们找不到他。3.■描绘; 标出He traced our route on the map.他在地图上标出我们走的路线。vt. & vi.1.■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。n.1.■踪迹; 痕迹; 形迹We have lost all trace of him.我们找不到他的踪迹。2.■极微的量There are traces of poison in the fish.这种鱼体内有微量的毒素。

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trace1[treis]n.1.■痕迹，踪迹；遗迹；迹象；形迹2.■[美国英语](人走出或车轮压出的)路迹；小径，小道3.■微量，少许；【化学】痕量4.■记录器的图录5.■描记线6.■【电子学】示踪；轨迹；脉迹7.■【数学】迹；【几何学】交点；交线8.■【气象学】微量雨9.■【语言学】语迹10.■【计算机】跟踪11.■【心理学】 = engramvt.1.■跟踪，追踪：The murderer was traced to Paris.那个凶手被追踪到巴黎。2.■追溯；探索：The book traces the history of social development.这本书追溯了社会发展史。They tried to trace the rumour to its source.他们试图追查谣言的根源。3.■查出，探出，找到，发现(或探查出)(史前遗迹等)：Her annoyance can be clearly traced in her letter.在她的信中可以很清楚地看出她的不快。The family are trying to trace the missing dog.全家人正在设法找寻失踪的狗。4.■画出…的轮廓；画曲线；描绘；草拟：They have traced the plan of the construction site.他们已经画出工地平面图。The government has traced a policy.政府已经草拟出一项政策。5.■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。6.■【建筑业】以线纹图样装饰[主用于过去分词]7.■细心地写；费力地写：The oldman traced his name laboriously.老人费力地写下自己的名字。8.■【计算机】使(程序)受到跟踪9.■(地震仪等)图示10.■[罕用语]沿着…走vi.1.■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。2.■沿着路(或路线)走近义词trackvestigedouble on one’s trace搅乱踪迹(使人迷惑)【狩猎】(猎物)故意绕来绕去弄乱脚印(以逃避追捕)lose (all) trace of失去…的踪迹(或线索)without a trace无影无踪地；渺无踪迹地变形vt.tracedtracing trace2[treis]n.1.■挽绳；缰绳2.■【机械工程】连动杆3.■【植物学】(脉)迹force into the traces[美国英语]迫使做枯燥无味工作；迫使做日常琐碎的工作in the traces(马等)被套着挽具受驾驭；受约束；做日常工作kick over the traces挣脱缰绳，不受驾驭，摆脱约束，不受控制；不守常规[亦作 jump the traces]work in the traces[美国英语]循规蹈矩地工作，死板地工作

tracetrace[treis]n.【植】(脉)迹1.■足迹, 踪迹, 痕迹; 遗迹; 线索; 结果2.■[古]小径, 道路3.■微量; 丝毫;【化】痕量4.■迹线; 描绘图;【军】经始线5.■记录器的图示; (示波器的)扫描(行程), 扫迹6.■【心理】记忆痕7.■【几何】交点, 交线, 接触线8.■【气】雨迹(略作T, 不足0.05厘米的降雨量)沿路线走a mere trace of a smile一丝笑意Age has left its traces on her face.岁月在她脸上留下了痕迹。Put just a trace more salt in my soup.我的汤里再放一点盐吧! vi,9.■追溯到(to)10.■(自动记录仪)用曲线记录下来The custom traces to the time of the Warring States.这个风俗可上溯到战国时期。

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词性变化trace[treis]vt.1.■跟踪2.■追溯3.■探索, 查出, 发现...的记载4.■描绘, 打图样; 用线条装饰;【军】画出(军事设施的)经始线5.■描摹, 映描, 复写6.■【建】用花窗格装饰trace one's family back追溯某人家世trace a rumour to its source追查谣言的根源In spite of the mist the sailors could trace the outline of an island.尽管有雾, 水手们还能依稀看出一个岛屿的轮廓。

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继承用法trace-elementn.1.■微量元素

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参考词汇trace;vestige;track;都含“留下的痕迹或记号”的意思。1.■trace 指“某些已出现或发生的事所留下的记号、痕迹等”, 如:a faint trace of egg on his vest他背心上的不清楚的鸡蛋印。2.■vestige 指“ 过去所存在物的遗迹或残余”, 如:the vestiges of an ancient civilization古代文明的痕迹。3.■track 指“车辆、行人、动物等经过后留下的痕迹、踪迹或足迹”, 如:automobile tracks in the sand沙地上汽车行进的痕迹。