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 waited for you for about a quarter of an hour.
我等了你差不多一刻钟。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
I will be more careful.
我会小心一些的，