Tracers
(tracer 的复数) n. 追踪者, 描图者, 描绘工具\\n[计] 跟踪程序
🗣️ 情景例句
I heard the professor of that class is very good.
我听说那个班的教授很好。
An ill workman quarrels with his tools.
拙匠常怪工具差。
Of course we can. Our job is playing all kinds of music.
当然能啦！我们的本行就是演奏各种音乐。