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
Lots of wonderful memories.
留下的是许多美好的回忆。
It is no honour for an eagle to vanquish a dove.
老鹰胜鸽，不足为荣。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。