Selective trace
[计] 选择跟踪
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
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
Room Service. What can I do for you?
客房服务部，能为您效劳吗？
On the morning of the next day he went to New York.
第二天早晨，他去了纽约。
I'd come too if I had time to spare.
如果我能匀出时间，我也愿意去。