Trace function
[计] 跟踪功能
🧩 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
can be picked up at the Riverdale Press offices.
可以到Riverdale Press各办事处索取。
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？