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
Oh, here. On the ground floor we have the reception area ...
噢 看这个。在楼下 我们会有一个接待区……
Speaking of trips,did I ever tell you about the experience I had?
谈论旅行,我曾经把我的经验告诉你了吗？
There is a new type of machine which can produce colour copies.
有一种新型的机器能够制作出彩色复印件。