Cargo tracer
[经] 失物追查人, 失物追查单, 货物追查单
🧩 词语组成解析
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
There are four quarters in every dollar.
每美元有四个二角五分。
On the third lap, the Class 3 and Class 1 runners both ran very fast.
在跑第三圈时，3班和1班的运动员都跑得非常快。