n.
痕迹,踪迹 mark or sign that shows sb/sth happened or existed
些许,微量 very small amount of sth
同义词
n. ghost,hint,shadow,tracing
v. delineate,follow,hound,retrace
参考例句
1. The murderer was traced to Paris.
那个凶手被追踪到巴黎。
2. True friendship is pure, not a trace of dirt doping.
真正的友谊是纯洁的,不会掺杂一丝污垢。
3. The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate.
氧同位素组成是一个非常有效的示踪硫酸盐的起源和形成环境的工具。
参考例句
1.V-T If you trace the origin or development of something, you find out or describe how it started or developed. 追溯
例:The exhibition traces the history of graphic design in America from the 19th century to the present.
这个展览会追溯了从19世纪到现在美国平面设计的历史。
2.PHRASAL VERB Trace back means the same as . 追溯
例:...Bronx residents who trace their families back to Dutch settlers.
将自己的家族追溯到荷兰移民者们的布朗克斯居民。
3.V-T If you trace someone or something, you find them after looking for them. 找到
例:Police are anxious to trace two men seen leaving the house just before 8am.
警察急切想找到在接近早晨8点前被人看到离开那幢房子的两名男子。
4.V-T 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. 勾画出
例:I traced the course of the river on the map spread out on my briefcase.
我在自己公文包上铺展开的地图中勾画出了这条河的流向。
5.V-T If you trace a picture, you copy it by covering it with a piece of transparent paper and drawing over the lines underneath. 描摹
例:She learned to draw by tracing pictures out of old storybooks.
她通过描摹旧故事书上的图画来学绘画。
6.N-COUNT A trace of something is a very small amount of it. 少许
例:Wash them in cold water to remove all traces of sand.
用冷水清洗它们以清除所有的沙子。
7.PHRASE If you say that someone or something disappears without a trace, you mean that they stop existing or stop being successful very suddenly and completely. 消失得无影无踪
例:One day he left, disappeared without a trace.
有一天他离开了,消失得无影无踪。
常见用法
用作名词
When the police exhume the corpse they discover trace of poison in it
警方掘出尸体, 发现有中毒的痕迹
Traces of blood were found in the bathroom.
在浴室里发现一点血。
The police have detected the trace of the murderer after several days of investigation.
警察经过几天的调查,发现了凶手的踪迹。
用作动词
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。
He traced his signature laboriously.
他吃力地签上自己的名字。
I have nothing to trace.
我没找到任何东西。
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