Trace handler
[计] 跟踪处理程序
🧩 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
handler
['hændlə]
n. 处理者，管理者;（动物）驯化者;[自]（信息）处理机;拳击教练;
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
How much ink did you want to get ?
你要拿多少墨水？
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。