tracing

• 名词，指描摹、复制的动作或结果，即用透明纸覆盖在原图、地图或设计图上描出线条；也指追踪、追溯的过程。

A noun referring to the act or result of copying a drawing, map, or design by following its lines on a transparent sheet placed over it, or the process of tracking something.

1. B1formal

   A copy of a drawing, map, or design made by tracing it onto a transparent sheet.

   描图纸副本

   • The architect made a tracing of the original blueprint.
   • She used tracing paper to create an exact tracing of the map.
   • The artist kept the tracing as a reference for the final painting.

   同义词copyduplicatereproductiontracetransparency

2. Investigation or searchB2formal

   The act of investigating or searching for the origin or development of something.

   追溯

   • The police are tracing the source of the illegal funds.
   • The tracing of the disease's spread took several months.
   • Historians are tracing the origins of the ancient manuscript.

   同义词detectionexplorationhuntinquiryinvestigationprobepursuitresearchsearchtracking

• 动词，表示追踪、追溯、查找或描绘某事物的过程、来源或发展。

A verb used to indicate the act of following, discovering, or outlining the course, origin, or development of something.

1. Find or discoverB1formal

   To find someone or something that has disappeared or been lost.

   找到

   • The police traced the missing child to a nearby town.
   • They traced the source of the leak to a faulty pipe.
   • She traced her family roots back to the 18th century.

   同义词discoverfindhunt downlocatetrack downunearth

   反义词forgetlosemisplacemissoverlook

2. Copy or drawA2formal

   To copy a drawing, pattern, or outline by drawing over it on a transparent sheet.

   描摹或复制

   • He traced the map onto a piece of tracing paper.
   • The child traced the letters of the alphabet.
   • She traced the outline of the flower with a pencil.

   同义词copydraftdrawduplicateoutlinereproducesketch

3. Follow the courseB2formal

   To follow the path or development of something over time.

   追踪

   • The historian traced the evolution of democracy.
   • We can trace the river's course on this map.
   • The study traces the changes in climate over the last century.

   同义词chartdelineatefollowmapoutlinetrack