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
and then I asked myself,
然后我问自己，
Cry with one eye and laugh with the other.
口不应心。
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？