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. This is five-two-one double eight three-five.
不，这里是521-8835。
Knowledge is the antidote to fear.
知识可以解除恐惧。
One third of this area is covered with forest.
这一地区三分之一的地方都是森林。