| 单词 | tracer |
| 释义 | tracer 1 ENTRIES FOUND: plural tracers plural tracers Learner's definition of TRACER [count] 1 : a type of bullet that shows its path by creating smoke or light as it moves through the air曳光弹
2 medical : a substance that is put in a patient's body so that doctors can watch a biological process (such as digestion) or see how a condition (such as cancer) is progressing示踪剂；显光剂
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。