tracer 详细解释

tracer

['treisə]

n.追踪者(器), 示踪物, 曳光弹, [化]示踪剂

英英释义

名词 tracer:

an investigator who is employed to find missing persons or missing goods

an instrument used to make tracings

(radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes

ammunition whose flight can be observed by a trail of smoke

同义词：tracer bullet

补充

tracertracer英:[ˈtreisə] 美:[ˈtresɚ]n.1.追踪者,描图者,(铁笔等)绘图工具

例句

1. tracer fire曳光弹发射 2. a tracer shell一发曳光炮弹 3. The enemy fired tracers at the aircraft carrier.敌人向航空母舰发射了曳光弹。 4. tracer fire/rounds/bullets曳光弹射击；曳光弹 5. 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。

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