trace
n. 痕迹,踪迹,缰绳,迹线, 极少量,微量 vt. 跟踪,追踪,回溯,描绘,描摹,探索,由遗迹发现 vi. 上溯,沿路走 [(过去式, 过去分词: traced)
no ~ of the thief 没有窃贼的任何线索.
~ elements 微量元素
He ~d the map. 他描绘地图.
They ~d her father. 他们跟踪她的父亲.
The criminal was ~d to Glasgow. 罪犯被跟踪到格拉斯哥.
He ~d the words laboriously. 他用词仔细.
Archaeologists have ~d many Roman roads to Britain. 考古学家发现许多罗马的道路都通向英国.
~...back...) 追溯至 He ~s his descent back to an old Norman family. 他追溯他的家世到一个古诺曼底家族.
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