trace (EN)

动词，名词

动词 “trace”

1. 追踪
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   The detective traced the missing child's steps through the park.
2. 追溯
   He traced his ancestors to a small village in Italy.
3. 描绘
   He carefully traced a straight line on the paper with his pencil.
4. 描摹
   She carefully traced the outline of the butterfly from the book onto the tracing paper.
5. 勾勒
   He traced the road in the map with his finger to find the hidden treasure.
6. （在计算机领域）监控并报告程序运行的每一步骤
   The developer used a special tool to trace the program.

名词 “trace”

1. 痕迹
   The archaeologists found traces of ancient pottery buried in the ground.
2. 足迹
   The hunter found a trace of deer tracks in the muddy ground.
3. 残留物
   I found traces of paint on my shirt after the art class.
4. 微量
   There was only a trace of sugar left in the jar.
5. 追查
   The detective ordered a trace to find out who made the mysterious phone call.
6. 挽绳
   The farmer checked the traces to make sure they were securely attached to the horse before starting the journey.
7. 矩阵的迹
   To find the trace of the matrix, simply add up the numbers on its main diagonal.