Trace line
[计] 跟踪行
🧩 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
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Very splendid. How about patent rights?
很不错。它的专利权怎么样呢？
A man apt to promise is apt to forget.
轻诺者易忘。
Oh good! But where are the paper bags?
太好了。不过纸袋在哪儿？