Trace vector
[计] 跟踪向量, 追踪向量
🧩 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
about taking care of babies, I assure you.
如何照顾小孩， 我向你保证。
Money calls, but does not stay: It is round and rolls sway.
金钱会上门，不会留下来，因为是圆的，所以会滚开。
Yes, your last shipment wasn't up to par.
嗯，你上次送去的货没有达到标准。