Trace checker
[计] 跟踪检验程序
🧩 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
checker
['tʃekə]
n. 方格图案;
vt. 使（某物）呈现方格图案或不同颜色或不同深浅的方格;
🗣️ 情景例句
The battle was very historic.
那场战役在历史上很重要。
I will be gettinf married next week.
我将在下周结婚。
Porpoises and sharks are natural enemies.
海豚和鲨鱼是天然仇敌，