Trace function
[计] 跟踪功能
🧩 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
My house is only a few miles from Spaceport.
我的家离Spaceport只有几哩路。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
All for one，one for all.
我为人人，人人为我。