tracer

FREQ #24977

n. 追踪者, 描图者, 描绘工具 [计] 跟踪程序

发音

UK /ˈtɹeɪsə(ɹ)/
其它
UK /ˈtʃɹeɪsə(ɹ)/
US /ˈtɹeɪsɚ/
US /ˈtʃɹeɪsɚ/

词形变化

tracers 复数 tracers

释义与例句

n.
  1. 1.

    A compound, element, or isotope used to track the progress or history of a natural process.

    化学
  2. 2.

    A round of ammunition for a firearm that contains magnesium or another flammable substance arranged such that it will burn and produce a visible trail when fired in the dark.

  3. 3.

    The act or state of tracking or investigating something.

  4. 4.

    A request to trace the movements of a person or an object, such as a shipment.

  5. 5.

    A device or instrument used to assist in making tracings.

  6. 6.

    A process that traces something, such as the path of execution of a program during debugging.

    计算机 工程 数学
  7. 7.

    A person who traces something.

词汇关系

名词

同义词 1

tracer bullet

上位词 8

detective instrument investigator ammunition ammo police detective radioisotope TEC

相关短语

tracer ammunition tracer bullet 曳光子弹 tracer bullets tracer element [化] 示踪元素 tracer elements [医] 示踪元素 tracer log tracer round tracer shell tracer shells tracer rounds tracer logs radioactive tracer [化] 放射性示踪剂 skip tracer 追踪躲债人的人 ray tracer [计]射线跟踪程序 contact tracer

词源

From trace + -er.

来源：wiktionary