tracer background

tracer

/ˈtɹeɪsə(ɹ)/ /ˈtɹeɪsɚ/

Illustration tracer - Image 1

noun

示踪剂，追踪剂。

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

Examples :

"Scientists used a radioactive tracer to track the movement of water through the soil. "

科学家们使用了一种放射性示踪剂来追踪水分在土壤中的移动。

compound element chemistry biology biochemistry medicine science process

Illustration tracer - Image 1

noun

曳光弹，示踪弹。

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.

Examples :

"The hunter used a tracer round to mark his target in the dark forest. "

猎人在漆黑的森林里用一颗曳光弹来标记他的目标。

military weapon material

Illustration tracer - Image 1

Illustration tracer - Image 2

noun

追踪，追查

The act or state of tracking or investigating something.

Examples :

"The police investigation is a tracer of the thief's movements. "

警方的调查是对小偷行动轨迹的追踪和追查。

Illustration tracer - Image 1

Illustration tracer - Image 2

noun

追踪请求，追查要求

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

Examples :

"The shipping company issued a tracer for the lost package. "

这家航运公司发起了对丢失包裹的追踪请求。

communication business service technology industry

Illustration tracer - Image 1

Illustration tracer - Image 2

noun

追踪者，搜寻者

A person who traces something.

Examples :

"The art student became a skilled tracer, able to perfectly copy the intricate lines of the master drawing. "

这位美术生成为了一位技艺精湛的临摹者，能够完美地复制大师作品中错综复杂的线条。

Illustration tracer - Image 1

noun

示踪器，描图器

A device or instrument used to assist in making tracings.

Examples :

"The art student used a special tracer to copy the intricate design onto her canvas. "

这位美术生使用了一种特殊的描图器，将复杂的图案复制到了画布上。

device technology machine