1. 追溯;查考;探索
    If you trace the origin or development of something, you find out or describe how it started or developed.

    e.g. The exhibition traces the history of graphic design in America from the 19th century to the present...
           展览追溯了美国从19世纪至今的平面设计历史。
    e.g. I first went there to trace my roots, visiting my mum's home island of Jamaica…
           我最初到那里是为了寻根，探访我妈妈的故乡牙买加岛。

2. 查出;探出;找到
    If you trace someone or something, you find them after looking for them.

    e.g. Police are anxious to trace two men seen leaving the house just before 8am...
           早上将近8点时有人看到两名男子离开那所房子，警方急于找到他们。
    e.g. We are currently trying to trace the whereabouts of certain sums of money…
           我们目前正试图找到某些钱款的下落。

3. (用手指或脚尖等在表面上)勾画…的轮廓，描绘，勾勒
    If you trace something such as a pattern or a shape, for example with your finger or toe, you mark its outline on a surface.

    e.g. I traced the course of the river on the map.
           我在地图上勾勒出这条河的流向。

4. (把透明纸覆盖在底样上)映描，描摹
    If you trace a picture, you copy it by covering it with a piece of transparent paper and drawing over the lines underneath.

    e.g. She learned to draw by tracing pictures out of old storybooks.
           她通过描摹旧故事书上的图画学会了画画。

5. 少许;微量
    A trace of something is a very small amount of it.

    e.g. Wash them in cold water to remove all traces of sand...
           用冷水冲洗它们以清除所有的沙子。
    e.g. He took great pains to write on his subject without a trace of sensationalism.
           他尽力不带一丝哗众取宠的色彩来写作他的题材。

6. 痕迹;遗迹;踪迹;足迹
    A trace is a sign which shows you that someone or something has been in a place.

    e.g. The local church has traces of fifteenth-century frescoes…
           当地教堂仍留有 15 世纪壁画的遗迹。
    e.g. There's been no trace of my aunt and uncle...
           没有我姑姑、姑夫的踪迹。

7. 销声匿迹;迅速沉寂
    If you say that someone or something sinks without trace or sinks without a trace, you mean that they stop existing or stop being successful very suddenly and completely.

trace在线翻译

    e.g. The Social Democratic Party has sunk without trace at these elections...
           社会民主党在这些选举中已销声匿迹。
    e.g. Pop groups are like Olympic swimmers — they hit gold once, then they sink without trace.
           流行乐队就像奥林匹克游泳选手——拿到一次金牌后就无声无息了。

相关词组：trace back