tracer

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Weapons

trac·er /ˈtreɪsə $ -ər/ noun [countable, uncountable]  PMWa bullet that leaves a line of smoke or flame behind it 曳光弹

Examples from the Corpus

tracer• Scan the microwave channels to find tracer signals. 6.• As the Goshawk flight got closer they could see the flickering criss-cross of tracer.• If you saw the line of tracers from the side, then they were going somewhere else.• As the Ford charged after the Mercedes, Dunn saw in his wing mirror a spurt of tracer fire.• Suddenly tracers came back from the top.• But the tracer was weaving from side to side.• Delaney jerked the pin from a grenade, tossed it blindly in the direction of the tracer.• Begin monitoring the channels on which tracer signals were found. 8.

trac·er nounChineseSyllable  

a a line leaves of or Corpus bullet that smoke

tracer
trac‧er /ˈtreɪsə $ -ər/ noun [uncountable and countable]
a bullet that leaves a line of smoke or flame behind it

tracerBrE /ˈtreɪsə(r)/ 🔊NAmE /ˈtreɪsər/ 🔊 nouna bullet or shell (= a kind of bomb) that leaves a line of smoke or flame behind it 曳光弹(specialist) a radioactive substance that can be seen in the human body and is used to find out what is happening inside the body 示踪剂