| 单词 | trace |
| 释义 | verbnoun🔑 traceAW BrE /treɪs/ NAmE /treɪs/ verb present simple - I / you / we / they trace BrE /treɪs/ NAmE /treɪs/ present simple - he / she / it traces BrE /ˈtreɪsɪz/ NAmE /ˈtreɪsɪz/ past simple traced BrE /treɪst/ NAmE /treɪst/ past participle traced BrE /treɪst/ NAmE /treɪst/ -ing form tracing BrE /ˈtreɪsɪŋ/ NAmE /ˈtreɪsɪŋ/ 🔑 ~sb /sth (to sth )to find or discover sb /sth by looking carefully for them /it 查出；找到；发现；追踪SYN track sb/sth↔down◆ We finally traced him to an address in Chicago . 我们终于追查到他在芝加哥的一个地址。🔑 ~sth (back ) (to sth )to find the origin or cause of sth 追溯；追究◆ She could trace her family tree back to the 16th century . 她能把本族家谱追溯到 16 世纪。◆ The leak was eventually traced to a broken seal . 最后查出泄漏是由于密封处破裂所致。◆ The police traced the call (= used special electronic equipment to find out who made the telephone call )to her ex -husband's number . 警方用追踪装置查出是她前夫的电话号码打出的电话。ancestor , branch , descent , dynasty , family tree , genealogy , generation , inherit , trace ~sth (from sth ) (to sth )to describe a process or the development of sth 描绘（事物的过程或发展）；追述；记述◆ Her book traces the town's history from Saxon times to the present day . 她的书描述的是这个市镇从撒克逊时代到现在的历史。~sth (out )to draw a line or lines on a surface 画（线）◆ She traced a line in the sand . 她在沙地上画了一条线。~sth to follow the shape or outline of sth 绘出，勾画出（轮廓）◆ He traced the route on the map . 他在地图上勾画出了路线。◆ A tear traced a path down her cheek . 一滴眼泪沿着她的面颊流了下来。~sth to copy a map , drawing , etc . by drawing on transparent paper (= tracing paper)placed over it （用透明纸覆盖在地图、绘画等上）复制，描摹🔑 traceAW BrE /treɪs/ NAmE /treɪs/ noun 🔑 [C , U ]a mark , an object or a sign that shows that sb /sth existed or was present 痕迹；遗迹；踪迹◆ It's exciting to discover traces of earlier civilizations . 发现早期文明的遗迹，真令人兴奋。◆ Police searched the area but found no trace of the escaped prisoners . 警方搜索了那一地区，但未发现越狱逃犯的任何踪迹。◆ Years of living in England had eliminated all trace of her American accent . 她多年居住在英国，美国口音已荡然无存。◆ The ship had vanished without (a ) trace .那艘船消失得无影无踪。🔑 [C ]~of sth a very small amount of sth 微量；少许◆ The post -mortem revealed traces of poison in his stomach . 验尸发现他胃中有微量毒物。◆ She spoke without a trace of bitterness . 她说话时一点儿也不伤感。[C ](specialist ) a line or pattern on paper or a screen that shows information that is found by a machine 描记图；轨迹；迹线；扫描线◆ The trace showed a normal heart rhythm . 描记图显示心率正常。[C ]~on sb /sth a search to find out information about the identity of sb /sth , especially what number a telephone call was made from （对信息的）跟踪，追踪◆ The police ran a trace on the call . 警察对那次通话进行了追踪。[C , usually pl. ]one of the two long pieces of leather that fasten a carriageor cart to the horse that pulls it 挽绳；套绳 ● kick over the ˈtraces (old-fashioned , BrE ) to start to behave badly and refuse to accept any discipline or control （开始）不听话，不守规矩，不受管束 |
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