| 词汇 | tracer |
| 释义 | tracer 1 ENTRIES FOUND: tracer (noun) tracer /ˈtreɪsɚ/ noun plural tracers tracer /ˈtreɪsɚ/ noun 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 The enemy fired tracers at the aircraft carrier.敌人向航空母舰发射了曳光弹。 tracer fire/rounds/bullets曳光弹射击；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 They injected her with a radioactive tracer and tracked it via X-rays.他们给她注射了一剂放射性示踪剂，然后通过X光跟踪它。 |
| 随便看 |
英汉双解词典包含93607条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。