英语词汇“trace”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

trace

释义

a mark or line left by something that has passed

= footprint

something traced or drawn; esp the graphic record made by a seismograph or other recording instrument

a minute and often barely detectable amount or indication

a trace of a smile

an amount of a chemical constituent not quantitatively determined because of minuteness

a sign or evidence of some past thing; a vestige; specif an engram (physical change in brain tissue involved in creating a memory)

an attempt to find something or somebody

the intersection of a line or plane with a plane

in mathematics, the sum of the elements of the principal diagonal of a matrix

chiefly NAmer = track¹ (1)

[Middle English from French, from tracier: see trace²]

to find (something or somebody) by using signs, evidence, or remains

She is trying to trace her real father

to follow back or study (something) in detail or step by step

The book traces the history of the labour movement

to follow the course or trail of (something)

to copy (e.g. a drawing) by following the lines or letters as seen through a semitransparent superimposed sheet

to delineate or sketch (something)

to write (e.g. letters or figures) painstakingly

to record a tracing of (something), usu in the form of a curved, wavy, or broken line

to adorn (something) with ornamental lines, e.g. architectural tracery

verb intrans

to be traceable historically

traceability /-ʹbiliti/ noun

traceable adj

traceless adj

[Middle English tracen from early French tracier, ultimately from Latin tractus, past part. of trahere to pull, draw]

either of two straps, chains, or lines of a harness for attaching a vehicle to a horse

[Middle English trais traces, from early French trais, pl of trait pull, draught trace, from Latin tractus: see trace²]

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