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单词 tracer
释义

tracer

​noun countable
UK /ˈtreɪsə(r)/
Word Forms
singulartracer
pluraltracers
DEFINITIONS1
  1. 1
    a bullet that leaves a line of smoke behind it as it travels through the air
    Synonyms and related words
    Bullets
    bandolier
    blank
    blank cartridge
    1. 1a
      a substance that leaves signs of where it has been, for example as it passes through someone’s body
      Synonyms and related words
      Substances by function
      coolant
      diuretic
      grease

tracer

​noun countable
US /ˈtreɪsər/
Other entries for this word
put a tracer on something phrase
Word Forms
singulartracer
pluraltracers
DEFINITIONS1
  1. 1
    a bullet that leaves a line of smoke behind it as it travels through the air
    Synonyms and related words
    Bullets
    bandolier
    blank
    blank cartridge
    1. 1a
      a substance that leaves signs of where it has been, for example as it passes through someone’s body
      Synonyms and related words
      Substances by function
      coolant
      diuretic
      grease
phrases
put a tracer on something
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更新时间：2026/9/20 12:14:09