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
A good medicine tastes bitter.
良药苦口，忠言逆耳。
Two or three of them look familiar.
我认识他们中的两三个。
All night long, people dance and sing.
整个夜晚人们载歌载舞。