Trace routine
[计] 跟踪程序, 检验程序
🧩 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
Well, first, you have to turn your hat around like this.
首先 ，你得把你的帽子转一下 ，像这样。
My brother wants to learn how to play the piano.
我的兄弟要去学弹钢琴。
Quick, turn the gas off. Cover the pan. Be careful!
快，把煤气关上。盖上锅。小心！