Trace information
[计] 跟踪信息
🧩 词语组成解析
trace
[tres]
vt. 跟踪，追踪;追溯，探索;探索;查找;
vi. 沿着一小径或道路前进;可以追溯的;
n. 痕迹，踪迹;微量，极少量;[植]（脉）迹;痕迹;
trace(draw)→回溯
🗣️ 情景例句
What's that?
什么问题？
In the United States ,there are many factories for making cloth.
在美国，有许多造布的工厂 。
Why were you shouting?
你为什么大声喊？