A trace
[电] A扫描轨迹
🧩 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
You've got it all wrong.
你完全搞错了。
What would you like to eat?
你要吃些什么？
It's been open for several years.
它建成已有好几年了。