Trace width
[電] 掃描線寬
?? 詞語組成解析
trace
[tres]
vt. 跟蹤，追蹤;追溯，探索;探索;查找;
vi. 沿著一小徑或道路前進;可以追溯的;
n. 痕跡，蹤跡;微量，極少量;[植]（脈）跡;痕跡;
trace(draw)→回溯
??? 情景例句
She is quite good with her hands.
她的手很巧。
No problem.
沒什么好謝的。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她稱這些傭人叫“流動人口”，因為他們來匆匆，所以我甚至都沒有機會知道他們的姓名。