Tracer tools
[计] 追踪工具
🧩 词语组成解析
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
n. 工具, 工具菜单；工具箱（tool的复数形式）
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
Splendid.
很好。
Some farmers have turned to keeping deer, and there are now about 3,000 deer farms in the country.
一些农场主已转向养鹿业，现在该国已有大约3000个养鹿场。