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

trace¹

(trās)

a. A visible mark, such as a footprint, made or left by the passage of a person, animal, or thing.

b. Evidence or an indication of the former presence or existence of something; a vestige: left without a trace of having been there.

a. An extremely small amount or barely perceivable indication: spoke with a trace of sarcasm.

b. A constituent, such as a chemical compound or element, present in quantities less than a standard limit.

3. A path or trail that has been beaten out by the passage of animals or people.

4. An act of researching or ascertaining the origin or location of something: put a trace on the phone call; asked for a trace on a lost package.

5. A line drawn by a recording instrument, such as a cardiograph.

6. Mathematics

a. The point at which a line, or the curve in which a surface, intersects a coordinate plane.

b. The sum of the elements of the principal diagonal of a matrix.

7. An engram.

v. traced, trac·ing, trac·es

v.tr.

a. To go along or follow (a path, for example): We traced the trail up the mountain.

b. To follow the course or trail of: trace a wounded deer.

a. To ascertain the successive stages in the development or progress of: tracing the life cycle of an insect; trace the history of a family.

b. To discover or determine by searching or researching evidence: trace the cause of a disease.

c. To locate or ascertain the origin of: traced the money to a foreign bank account.

a. To draw (a line or figure); sketch; delineate.

b. To form (letters) with special concentration or care.

a. To copy by following lines seen through a sheet of transparent paper.

b. To follow closely (a prescribed pattern): The skater traced a figure eight.

a. To imprint (a design) by pressure with an instrument on a superimposed pattern.

b. To make a design or series of markings on (a surface) by such pressure on a pattern.

6. To record (a variable), as on a graph.

v.intr.

1. To make one's way along a trail or course: We traced along the ridge.

2. To have origins; be traceable: linguistic features that trace to West Africa.

adj.

Occurring in extremely small amounts or in quantities less than a standard limit.

[Middle English, track, from Old French, from tracier, to trace, from Vulgar Latin *tractiāre, from Latin tractus, a dragging, course, from past participle of trahere, to draw.]

trace′a·bili·ty n.

tracea·ble adj.

tracea·bly adv.

单词	trace
释义	trace¹ (trās) n. 1. a. A visible mark, such as a footprint, made or left by the passage of a person, animal, or thing. b. Evidence or an indication of the former presence or existence of something; a vestige: left without a trace of having been there. 2. a. An extremely small amount or barely perceivable indication: spoke with a trace of sarcasm. b. A constituent, such as a chemical compound or element, present in quantities less than a standard limit. 3. A path or trail that has been beaten out by the passage of animals or people. 4. An act of researching or ascertaining the origin or location of something: put a trace on the phone call; asked for a trace on a lost package. 5. A line drawn by a recording instrument, such as a cardiograph. 6. Mathematics a. The point at which a line, or the curve in which a surface, intersects a coordinate plane. b. The sum of the elements of the principal diagonal of a matrix. 7. An engram. v. traced, trac·ing, trac·es v.tr. 1. a. To go along or follow (a path, for example): We traced the trail up the mountain. b. To follow the course or trail of: trace a wounded deer. 2. a. To ascertain the successive stages in the development or progress of: tracing the life cycle of an insect; trace the history of a family. b. To discover or determine by searching or researching evidence: trace the cause of a disease. c. To locate or ascertain the origin of: traced the money to a foreign bank account. 3. a. To draw (a line or figure); sketch; delineate. b. To form (letters) with special concentration or care. 4. a. To copy by following lines seen through a sheet of transparent paper. b. To follow closely (a prescribed pattern): The skater traced a figure eight. 5. a. To imprint (a design) by pressure with an instrument on a superimposed pattern. b. To make a design or series of markings on (a surface) by such pressure on a pattern. 6. To record (a variable), as on a graph. v.intr. 1. To make one's way along a trail or course: We traced along the ridge. 2. To have origins; be traceable: linguistic features that trace to West Africa. adj. Occurring in extremely small amounts or in quantities less than a standard limit. [Middle English, track, from Old French, from tracier, to trace, from Vulgar Latin tractiāre, from Latin tractus, a dragging, course, from past participle of trahere, to draw.] trace′a·bili·ty* n. tracea·ble adj. tracea·bly adv.
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