音标：[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
在线英汉词典
trace的短语、例句：
trace
n
1 [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.
2 [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 v
1
(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.
2 [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.
3 [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. 後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.
4 [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.
trace n
1 (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.
2 (idm 习语) kick over the traces => kick1.
trace