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
to hear about your wife having passed away.
听到你太太去世的消息。
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
They got on so well that Fred decided not to go to the lecture but to show the tourist around the university instead.
他们相处得很融洽，于是弗雷德决定不去听课，而带领这位游客到这所大学各处参观。