Eulerian trace
[计] 欧拉迹
🧩 词语组成解析
a. 欧拉的
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
Bye-bye.
再见。
How is the weather today?
今天天气如何？气温多少度？
The order was in good shape when it left out factory.
货离开工厂时都是完好无缺的啊。