| 释义 |
trace¹ /treɪs/ n. | a. | vt. | vi. | phr.
I n.
1. 痕迹，遗迹；踪迹，足迹
The wound healed, leaving almost no trace of a scar. 伤痊愈了，几乎没有留下疤痕。
Sorrow has left its traces on her face. 悲伤在她脸上留下了痕迹。
We have lost all trace of the climbing party missing since last Friday. 我们已失去上星期五失踪的登山队的一切踪迹了。
The ship is still missing without(a) trace. 那艘船仍是无影无踪，吉凶未卜。
No trace was found of either John or Mary. 约翰和玛丽双双下落不明。
2. 〈美〉(人踏出来或车压出来的)小路，小径；〈古〉道路，路线
3. (遗留下的或不易察觉的)微量，少许；【化】痕量；【气】(雨)迹，微量雨
All traces of anger are gone. 余怒全消。
a trace of onion in the salad 色拉里的少许洋葱
put a trace of pale lipstick on one's mouth 往嘴上抹一点淡淡的唇膏
speak with a trace of American accent 讲话略带美国口音
4. 描记图；(心动描记器、地震仪等录下的)描记线；【电子】轨迹，迹线；【军】经始线
5. 【心】(记忆)痕迹，印迹
6. 【数】迹
7. 【计】跟踪
a trace program 跟踪程序
8. (有关人、事、情况的)调查请求；情况调查
I might put in a trace to London to see if my Office has got anything on him. 我可能向伦敦提出调查请求，看看我的局里是否已经掌握任何关于他的情况。
9. 【语】语迹
II a.
微量的；【化】痕量的
trace amounts 微量
trace minerals 微量无机物
a trace compound 痕量化合物
III ❶ vt.
1. 追踪，跟踪
trace a fox 追踪狐狸
trace a criminal to Chicago 追踪罪犯到芝加哥
2. 追溯；追究；查考，探索
trace a river to its source 追溯河流的源头
trace the history of China 追溯中国历史
The rumour was traced back to a journalist. 那谣言追究到一名新闻记者身上。
The police traced Frank to Margaret and through Margaret to Gerald. 警察从弗兰克追查到玛格丽特，再从玛格丽特追查到杰拉尔德。
3. 查出，探出，看出，找到
I can't trace the letter you sent me. 我查不到你寄给我的信。
She opened the purse in an effort to trace the owner. 她打开钱包想弄清谁是钱包的主人。
I could never trace in her one spark of jealousy. 我看不出她有丝毫妒忌之意。
Have you traced the fault? 你找到毛病出在哪里了吗?
4. 勾画出…的轮廓，描绘；草拟；【军】绘出(设施)的经始线
trace (out) the plan of a house 勾出房屋的平面图
trace (out) a policy 草拟一项政策
5. (把透明纸等覆盖在底样上)映描，描摹；以曲线(或波纹线等)描记；(用描绘工具)誊写，刻印
put thin paper over the map and trace it 把薄纸覆盖在地图上作映描
trace the heart action (心动描记器)描记心动情况
6. (缓慢而费力地或仔细地)写
He traced the words with a shaking hand. 他用颤抖的手写下那些字。
7. 用线状花纹装饰
8. 〈古〉沿着…走；在…上走
9. 【计】使(程序)受到跟踪
❷ vi.
1. 追溯
His ancestors trace back to the 16th century. 他的祖先可上溯到16世纪。
2. 走；循小路前行
[<Fr tracier < VL tractiare < L tractus a drawing, track² < trahere to drag, draw] phr. double on one's trace 1. 搅乱踪迹 2. (猎物)故意绕来绕去弄乱脚印以逃脱追猎 |