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
I would like to charge this.
我想用信用卡付账。
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）