Trace facility
[计] 跟踪设施
🧩 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
Have you discussed it with your parents?
你和父母商量过了吗？
How do you do?
你好！
Why do you think we can't change your note? Of course we can.
为什么你认为我们破不开你的票子呢？当然我们能破开的。