tracer的中文翻译

翻译

tracer

字典
  • tracer1   UK /ˈtreɪsə(r)/  US /ˈtreɪsər/ 
    曳光弹
    noun
    • a bullet or shell(= a kind of bomb) that leaves a line of smoke or flame behind it
    • a radioactive substance that can be seen in the human body and is used to find out what is happening inside the body
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