tracer

美 [ˈtreɪsər]
英 [ˈtreɪsə(r)]
  • n.曳光弹;示踪剂
  • 网络追踪者;示踪物;示踪器
复数:tracers  
TRACER
n.
1.
曳光弹a bullet or shell(= a kind of bomb) that leaves a line of smoke or flame behind it
2.
示踪剂a radioactive substance that can be seen in the human body and is used to find out what is happening inside the body

例句

释义:
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,