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
You give me the money and I'll give you the goods.
你付钱，我给货。
May I borrow your book?
我能借你的书吗？
He wanted to buy a $300 watch for his wife,
他走进一家高级商店，要为妻子买一块价值300英镑的手表。