trace
trace 英 [treɪs] 美 [tres]
v. 追踪；描绘 n. 痕迹，踪迹
进行时:tracing 过去式:traced 过去分词:traced 第三人称单数:traces 名词复数:traces
- A trace of something is just a hint or suggestion of it, a very small amount left behind — like the sad cookie crumbs at the bottom of an empty cookie jar.
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- v. 追踪；描绘
- n. 痕迹，踪迹
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1. 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。
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2. 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。
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3. 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。
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4. She traced a line in the sand.
她在沙地上画了一条线。
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5. He traced the route on the map.
他在地图上勾画出了路线。
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6. It's exciting to discover traces of earlier civilizations.
发现以前文明的遗迹，真令人兴奋。
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7. She spoke without a trace of bitterness.
她说话时一点儿也不伤感。
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8. The trace showed a normal heart rhythm.
描记图显示心率正常。
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9. The police ran a trace on the call.
警察对那通电话进行了追踪。
- trace (n.1) "track made by passage of a person or thing," c. 1300, from Old French trace "mark, imprint, tracks" (12c.), back-formation from tracier (see trace (v.)). Scientific sense of "indication of minute presence in some chemical compound" is from 1827. Traces "vestiges" is from c. 1400.
- trace (n.2) "straps or chains by which an animal pulls a vehicle," c. 1300, from earlier collective plural trays, from Old French traiz, plural of trait "strap for harnessing, act of drawing," from Latin tractus "a drawing, track," from stem of trahere "to pull, draw" (see tract (n.1)). Related: Traces.
- trace (v.) late 14c., "follow (a course); draw a line, make an outline of something," also figurative; "ponder, investigate," from Old French tracier "look for, follow, pursue" (12c., Modern French tracer), from Vulgar Latin *tractiare "delineate, score, trace" (source also of Spanish trazar "to trace, devise, plan out," Italian tracciare "to follow by foot"), a frequentative form from Latin tractus "track, course," literally "a drawing out," from past participle stem of trahere "to pull, draw" (see tract (n.1)).
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