tracer

🇬🇧/ˈtreɪsə(r)/ 🇺🇸/ˈtreɪsər/📚 19378 7
a person or thing that traces 追踪者; 追踪器

noun [专属名词][核]示踪物;追踪者;描图者;(铁笔等)绘图工具

I'll start by creating a sample stylesheet to apply the tracer to.
首先我将创建一个样本样式表,对其应用跟踪程序。

noun [专属名词](Tracer)人名;(英)特雷瑟

Carbon monoxide is a good tracer for moving smoke plumes, even across large distances.
一氧化碳可以用来追踪烟尘羽的移动情况,即使经过遥远的距离。

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