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
that I never could have done this book
我不可能完成这本书
He can't come and he sends his apologies.
他为他的不能前来致歉。
How much did you want to increase your order.
你的订量要增加多少？