Activity trace
[计] 活动跟踪, 活动追踪
🧩 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
No advertising material.
谢绝广告。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
Brevity is the soul of wit.
简洁是智慧的精华。