trace什么意思英语

trace [treis]n. 痕迹, 踪迹, 微量, 迹线, 缰绳vt. 追踪, 回溯, 描绘vi. 追溯, 沿路走[化] 迹[医] 痕迹; 微量, 痕量[经] 溯查, 追踪, 追溯trace 1 / treɪs; tres/ n [C, U] mark, track, sign, etc showing what has existed or happened 踪迹; 痕迹; 形迹: traces of prehistoric habitation 史前居民的遗迹 * The police have been unable to find any trace of the gang. 警方一直未能找到那团伙的任何踪迹. * We've lost all trace of him, ie We no longer know where he is. 我们现在不知道他的下落了. * The ship had vanished without trace. 那船消失得无影无踪. [C] very small amount 极微的量: The post-mortem revealed traces of poison in his stomach. 验尸发现他胃中有微量毒物. * He spoke without a trace of emotion. 他说话时毫不动感情.# `trace element substance occurring or needed only in extremely small amounts (esp in the soil, for the proper growth of plants) 微量元素, 痕量元素（尤指土壤中的, 植物正常生长所需要的）. trace 2 / treɪs; tres/ v (a) [Tn, Tn.pr] ~ sb/sth (to sth) follow or discover sb/sth by finding and noticing marks, tracks or other evidence 追踪; 跟踪; 追溯; 探索; 查出: I cannot trace the letter to which you refer. 我查不到你提到的那封信. * Archaeologists have traced many Roman roads in Britain. 考古学家在英国发现了许多古罗马的道路. * The criminal was traced to Glasgow. 追踪那个罪犯直追到格拉斯哥. (b) [Tn] describe the development of (sth) 描述（某事）的发展过程: a book which traces the decline of the Roman empire 叙述罗马帝国衰亡的书. [Tn, Tn.pr, Tn.p] ~ sth (back) (to sth)find the origin of sth 找出某事的根源: He traces his descent back to an old Norman family. 他追踪自己的世系上溯至一个古老的诺曼家族. * Her fear of water can be traced back to a childhood accident. 她很怕水, 起因可归於儿时的一次事故. * The cause of the fire was traced to a faulty fuse-box. 起火的原因已查出是因保险丝盒中有短路. [Tn, Tn.p] ~ sth (out) (a) sketch or indicate the outline of sth 画出或描绘出某物的轮廓: We traced out our route on the map. 我们在地图上画出我们的路线. * (fig 比喻) Those who came later followed the policies he had traced out. 后来的人都按他制定的方针政策行事. (b) form letters, etc slowly and with difficulty 缓慢而费力地写字等: He traced his signature laboriously. 他吃力地签上自己的名字. [Tn] copy (a map, drawing, etc) on transparent paper placed over it （将透明纸置於地图、 图画等上）复制, 描摹.> tracer n 1 person or thing that traces 追踪者; 追踪装置; 描摹者; 描摹工具. 2 bullet or shell whose course is made visible by a line of smoke, etc left behind it 曳光弹: [attrib 作定语] tracer bullets 曳光弹. 3 radioactive substance whose course through the human body, etc can be traced by the radiation it produces, used for investigating a chemical or biological process 示踪物.tracing n copy of a map, drawing, etc made by tracing (trace2 4) it 摹图; 描图.# `tracing-paper n [U] strong transparent paper for making tracings 描图纸. trace 3 3 / treɪs; tres/ n (usu pl 通常作复数) either of the two straps, chains or ropes by which a horse is attached to and pulls a wagon, carriage, etc 挽绳; 挽缰. =>illus at harness 见harness插图. (idm 习语) kick over the traces => kick1

Trace做名词：踪迹；遗迹；追查；追踪；描记线；描记图；摹图；描图；（野外被人或动物踩踏出的）小路，小径；（经历在人脑中留下的）痕迹，印迹；迹；语迹；微量雨；路；路线；路径；挽绳；套绳；（将钓钩或假蝇固定在钓线上的）尼龙绳，钓钩线；脚印。Trace做动词：追溯;追述；记述；描述;追踪；追查;勾画；勾勒；描绘;（把透明纸覆在底样上）映描，描摹;用窗花格装饰;印（图案）;沿着…走；穿过。