Circular trace
[电] 圆形轨迹
🧩 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
I've been in China to work on the new project.
我一直在中国搞一个新项目。
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，