trace什么意思
问题补充说明：trace什么意思
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
[化种防青血计]迹
[医]痕迹;微量,痕量
[经]溯查,追踪,追溯
trace1
/treɪs;tres/n
[C,U]mark,track,sign,etcshowingwhathasexiste这省导担展举功一官派dorhappened踪迹;痕迹;形迹:tracesofprehistorichabitation史前居民的遗迹*来自Thepolicehavebeenunableto360问答findanytraceofthegang.警易顺能山式输缺方一直未能找到那团伙的器乡子劳管乐脸掉特跟输任何踪迹.*We'velostalltraceofhim,ieWenolongerknowwhereheis.我们现在不知道他的下落了.*Theshiphadv克令线anishedwithouttrace.那船消失得无影无踪.
[C]verysmallam客不木司突克磁行过挥脱ount极微的量:Thepost-mortemrevealedtracesofpoisoninhisstomach.验尸发现他胃中有微量毒物.*Hespokewithoutatraceofemotion.他说话时毫不动感情.
#`tracee电三时航工朝lementsubstanceoccurringorneededonlyinextremelysmallamounts(e前比绍讨方食指训事规制spinthesoil,forthepropergrowthofplants)微量亚引王司常车单费该地元素,痕量元素（尤指土壤中的,植物正常生长所需要的）.trace2
/treɪs;tres/v
(a)[Tn,Tn.pr]~s氧资是受无之乱超烈b/sth(tosth)fo适圆结杀llowordiscoversb/sthbyfindingandnoticingmarks,tracksorotherevidence追踪;跟踪;追溯;探索;查出:Icannottracethelettertowhichyourefer.我查不到你提到的那封信.*ArchaeologistshavetracedmanyRomanroadsinBritain.考古学家在英国发现了许多古罗马的道路.*Thecriminalwastra知送氧形cedtoGlasgow.追踪那个罪犯直追到格拉斯哥.(b)[Tn]describethedevelopmentof(sth)描述（某事）的发展过程:abookwhichtracesthedeclineoftheRomanempire叙述罗马帝国衰亡的书.
[Tn,Tn.pr,Tn.p]~sth(back)(tosth)findtheoriginofsth找出某事的根源:Het苦七守沉低精推联送raceshisdes措告或延两植打攻滑军centbacktoanoldNormanfamily.他追踪自己的世系上溯至一个古老的诺操推聚料亮载光听形曼家族.*Herfearofwatercanbetracedbacktoachildhoodaccident.她很怕水,起因可归於儿时的一次事故.*Thecauseofthefire局儿负通啊wastracedtoafaultyfuse-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)sketchorindicatetheoutlineofsth画出或描绘出某物的轮廓:Wetracedoutourrou胶协集确板线动teonthema完谁让p.我们在地图上画出我们的路线.*(fig比喻)Thosewhocamelaterfollowedthepolicieshehadtracedout.后来的人都按他制定的方针政策行事.(b)formletters,etcslowlyandwithdifficulty缓慢而费力地写字等:Hetracedhissignaturelaboriously.他吃力地签上自己的名字.
[Tn]copy(amap,drawing,etc)ontransparentpaperplacedoverit（将透明纸置於地图、图画等上）复制,描摹.
>tracern
1personorthingthattraces追踪者;追踪装置;描摹者;描摹工具.
2bulletorshellwhosecourseismadevisiblebyalineofsmoke,etcleftbehindit曳光弹:[attrib作定语]tracerbullets曳光弹.
3radioactivesubstancewhosecoursethroughthehumanbody,etccanbetracedbytheradiationitproduces,usedforinvestigatingachemicalorbiologicalprocess示踪物.
tracingncopyofamap,drawing,etcmadebytracing(trace24)it摹图;描图.
#`tracing-papern[U]strongtransparentpaperformakingtracings描图纸.trace3
3/treɪs;tres/n
(usupl通常作复数)eitherofthetwostraps,chainsorropesbywhichahorseisattachedtoandpullsawagon,carriage,etc挽绳;挽缰.=>illusatharness见harness插图.
(idm习语)kickoverthetraces=>kick1