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英汉双解词典查询
| 单词 | tracer |
| 释义 | tracer n 1 person or thing that traces 追踪者; 追踪装置; 描摹者; 描摹工具. 2 bullet or shell whose course is made visible by a line of smoke, etc left behind it 曳光弹 [attrib 作定语] tracer bullets 曳光弹. 3 radioactive substance whose course through the human body, etc can be traced by the radiation it produces, used for investigating a chemical or biological process 示踪物. |
本英汉双解词典包含38652条英汉词条，是英语学习有利工具。
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