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
What material is this made from?
这是什么材料做的？
No, the two sides are still in conflict.
没有,双方仍然有矛盾。
In the shop, Lucy got all the things on her shopping list, and took them home.
在商店里，露西把单上所列物品全买齐了，然后把它们带回家。