🧩 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's this about, Harvey?
这是怎么回事 Harvey
Devil must be driven out with devils.
以毒攻毒。
She picked it up and gave it back to me.
她把它捡起给了我。